Release 5 Draft Ballot

Citation.profile.json

Clinical Decision Support Work GroupMaturity Level: N/AStandards Status: InformativeCompartments: Not linked to any defined compartments

Raw JSON (canonical form + also see JSON Format Specification)

StructureDefinition for citation

{
  "resourceType" : "StructureDefinition",
  "id" : "Citation",
  "meta" : {
    "lastUpdated" : "2021-04-14T05:30:20.096+00:00"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category",
    "valueCode" : "business"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  }],
  "url" : "http://hl7.org/fhir/StructureDefinition/Citation",
  "version" : "4.6.0",
  "name" : "Citation",
  "status" : "draft",
  "date" : "2021-04-14T05:30:20+00:00",
  "publisher" : "Health Level Seven International (Clinical Decision Support)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/dss/index.cfm"
    }]
  }],
  "description" : "The Citation Resource enables reference to any knowledge artifact for purposes of identification and attribution. The Citation Resource supports existing reference structures and developing publication practices such as versioning, expressing complex contributorship roles, and referencing computable resources.",
  "fhirVersion" : "4.6.0",
  "mapping" : [{
    "identity" : "w5",
    "uri" : "http://hl7.org/fhir/fivews",
    "name" : "FiveWs Pattern Mapping"
  },
  {
    "identity" : "workflow",
    "uri" : "http://hl7.org/fhir/workflow",
    "name" : "Workflow Pattern"
  },
  {
    "identity" : "objimpl",
    "uri" : "http://hl7.org/fhir/object-implementation",
    "name" : "Object Implementation Information"
  },
  {
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "resource",
  "abstract" : false,
  "type" : "Citation",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/MetadataResource",
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [{
      "id" : "Citation",
      "path" : "Citation",
      "short" : "A description of identification, location, or contributorship of a publication (article or artifact)",
      "definition" : "The Citation Resource enables reference to any knowledge artifact for purposes of identification and attribution. The Citation Resource supports existing reference structures and developing publication practices such as versioning, expressing complex contributorship roles, and referencing computable resources.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation",
        "min" : 0,
        "max" : "*"
      },
      "constraint" : [{
        "key" : "cnl-0",
        "severity" : "warning",
        "human" : "Name should be usable as an identifier for the module by machine processing applications such as code generation",
        "expression" : "name.matches('[A-Z]([A-Za-z0-9_]){0,254}')",
        "xpath" : "not(exists(f:name/@value)) or matches(f:name/@value, '[A-Z]([A-Za-z0-9_]){0,254}')",
        "source" : "http://hl7.org/fhir/StructureDefinition/Citation"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition"
      },
      {
        "identity" : "w5",
        "map" : "clinical.general"
      }]
    },
    {
      "id" : "Citation.id",
      "path" : "Citation.id",
      "short" : "Logical id of this artifact",
      "definition" : "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
      "comment" : "Typically, the resource has an id except for cases like the create operation, conditional updates.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.meta",
      "path" : "Citation.meta",
      "short" : "Metadata about the resource",
      "definition" : "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.meta",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Meta"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.implicitRules",
      "path" : "Citation.implicitRules",
      "short" : "A set of rules under which this content was created",
      "definition" : "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.",
      "comment" : "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.implicitRules",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : true,
      "isModifierReason" : "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
      "isSummary" : true
    },
    {
      "id" : "Citation.language",
      "path" : "Citation.language",
      "short" : "Language of the resource content",
      "definition" : "The base language in which the resource is written.",
      "comment" : "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.language",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueCanonical" : "http://hl7.org/fhir/ValueSet/all-languages"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "description" : "IETF language tag",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.text",
      "path" : "Citation.text",
      "short" : "Text summary of the resource, for human interpretation",
      "definition" : "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.",
      "comment" : "Contained resources do not have a narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded information is added later.",
      "alias" : ["narrative",
      "html",
      "xhtml",
      "display"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "DomainResource.text",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Narrative"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "Act.text?"
      }]
    },
    {
      "id" : "Citation.contained",
      "path" : "Citation.contained",
      "short" : "Contained, inline Resources",
      "definition" : "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, nor can they have their own independent transaction scope.",
      "comment" : "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels.",
      "alias" : ["inline resources",
      "anonymous resources",
      "contained resources"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.contained",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Resource"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.extension",
      "path" : "Citation.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.modifierExtension",
      "path" : "Citation.modifierExtension",
      "short" : "Extensions that cannot be ignored",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "mustSupport" : false,
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.url",
      "path" : "Citation.url",
      "short" : "Canonical identifier for this citation, represented as a globally unique URI",
      "definition" : "An absolute URI that is used to identify this citation when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this summary is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the summary is stored on different servers.",
      "comment" : "Can be a urn:uuid: or a urn:oid: but real http: addresses are preferred. Multiple instances may share the same URL if they have a distinct version.",
      "requirements" : "Allows the citation to be referenced by a single globally unique identifier.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.url",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.url"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      }]
    },
    {
      "id" : "Citation.identifier",
      "path" : "Citation.identifier",
      "short" : "Identifier for the Citation resource itself",
      "definition" : "A formal identifier that is used to identify this citation when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "May include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
      "requirements" : "Allows externally provided and/or usable identifiers to be associated with this citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.version",
      "path" : "Citation.version",
      "short" : "Business version of the citation",
      "definition" : "The identifier that is used to identify this version of the citation when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the citation author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
      "comment" : "There may be different citation instances that have the same identifier but different versions.  The version can be appended to the url in a reference to allow a reference to a particular business version of the citation with the format [url]|[version].",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.version",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.version"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.version"
      }]
    },
    {
      "id" : "Citation.name",
      "path" : "Citation.name",
      "short" : "Name for this citation (computer friendly)",
      "definition" : "A natural language name identifying the citation. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
      "comment" : "The name is not expected to be globally unique. The name should be a simple alphanumeric type name to ensure that it is machine-processing friendly.",
      "requirements" : "Support human navigation and code generation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.name",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "condition" : ["cnl-0"],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.title",
      "path" : "Citation.title",
      "short" : "Name for this citation (human friendly)",
      "definition" : "A short, descriptive, user-friendly title for the citation.",
      "comment" : "This name does not need to be machine-processing friendly and may contain punctuation, white-space, etc.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.title",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.title"
      }]
    },
    {
      "id" : "Citation.status",
      "path" : "Citation.status",
      "short" : "draft | active | retired | unknown",
      "definition" : "The status of this summary. Enables tracking the life-cycle of the content.",
      "comment" : "Allows filtering of summarys s that are appropriate for use versus not.",
      "requirements" : "Allows filtering of citations that are appropriate for use versus not.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.status",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : true,
      "isModifierReason" : "This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "PublicationStatus"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "required",
        "valueSet" : "http://hl7.org/fhir/ValueSet/publication-status|4.6.0"
      }
    },
    {
      "id" : "Citation.experimental",
      "path" : "Citation.experimental",
      "short" : "For testing purposes, not real usage",
      "definition" : "A Boolean value to indicate that this citation is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
      "comment" : "Allows filtering of citations that are appropriate for use versus not.",
      "requirements" : "Enables experimental content to be developed following the same lifecycle that would be used for a production-level citation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.experimental",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.experimental"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.class"
      }]
    },
    {
      "id" : "Citation.date",
      "path" : "Citation.date",
      "short" : "Date last changed",
      "definition" : "The date  (and optionally time) when the citation was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the citation changes.",
      "comment" : "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the citation. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource.",
      "alias" : ["Revision Date"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.date",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.date"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      }]
    },
    {
      "id" : "Citation.publisher",
      "path" : "Citation.publisher",
      "short" : "The publisher of the Citation, not the publisher of the article or artifact being cited",
      "definition" : "The name of the organization or individual that published the citation.",
      "comment" : "Usually an organization but may be an individual. The publisher (or steward) of the citation is the organization or individual primarily responsible for the maintenance and upkeep of the citation. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the citation. This item SHOULD be populated unless the information is available from context.",
      "requirements" : "Helps establish the \"authority/credibility\" of the citation.  May also allow for contact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.publisher",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.publisher"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.witness"
      }]
    },
    {
      "id" : "Citation.contact",
      "path" : "Citation.contact",
      "short" : "Contact details for the publisher of the Citation Resource",
      "definition" : "Contact details to assist a user in finding and communicating with the publisher.",
      "comment" : "May be a web site, an email address, a telephone number, etc.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.contact",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.contact"
      }]
    },
    {
      "id" : "Citation.description",
      "path" : "Citation.description",
      "short" : "Natural language description of the citation",
      "definition" : "A free text natural language description of the citation from a consumer's perspective.",
      "comment" : "This description can be used to capture details such as why the citation was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the citation as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the citation is presumed to be the predominant language in the place the citation was created).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.description",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.description"
      }]
    },
    {
      "id" : "Citation.useContext",
      "path" : "Citation.useContext",
      "short" : "The context that the Citation Resource content is intended to support",
      "definition" : "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate citation instances.",
      "comment" : "When multiple useContexts are specified, there is no expectation that all or any of the contexts apply.",
      "requirements" : "Assist in searching for appropriate content.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.useContext",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "UsageContext"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.useContext"
      }]
    },
    {
      "id" : "Citation.jurisdiction",
      "path" : "Citation.jurisdiction",
      "short" : "Intended jurisdiction for citation (if applicable)",
      "definition" : "A legal or geographic region in which the citation is intended to be used.",
      "comment" : "It may be possible for the citation to be used in jurisdictions other than those for which it was originally designed or intended.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.jurisdiction",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Jurisdiction"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/jurisdiction"
      }
    },
    {
      "id" : "Citation.purpose",
      "path" : "Citation.purpose",
      "short" : "Why this citation is defined",
      "definition" : "Explanation of why this citation is needed and why it has been designed as it has.",
      "comment" : "This element does not describe the usage of the citation. Instead, it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is.  This may be used to point to source materials or specifications that drove the structure of this citation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.purpose",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.purpose"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.copyright",
      "path" : "Citation.copyright",
      "short" : "Use and/or publishing restrictions for the Citation, not for the cited artifact",
      "definition" : "Use and/or publishing restrictions for the Citation, not for the cited artifact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.copyright",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.approvalDate",
      "path" : "Citation.approvalDate",
      "short" : "When the citation was approved by publisher",
      "definition" : "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
      "comment" : "The 'date' element may be more recent than the approval date because of minor changes or editorial corrections.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.approvalDate",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "date"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.approvalDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.lastReviewDate",
      "path" : "Citation.lastReviewDate",
      "short" : "When the citation was last reviewed",
      "definition" : "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
      "comment" : "If specified, this date follows the original approval date.",
      "requirements" : "Gives a sense of how \"current\" the content is.  Resources that have not been reviewed in a long time may have a risk of being less appropriate/relevant.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.lastReviewDate",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "date"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.lastReviewDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.effectivePeriod",
      "path" : "Citation.effectivePeriod",
      "short" : "When the citation is expected to be used",
      "definition" : "The period during which the citation content was or is planned to be in active use.",
      "comment" : "The effective period for a citation  determines when the content is applicable for usage and is independent of publication and review dates. For example, a measure intended to be used for the year 2016 might be published in 2015.",
      "requirements" : "Allows establishing a transition before a resource comes into effect and also allows for a sunsetting  process when new versions of the citation are or are expected to be used instead.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.effectivePeriod",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Period"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.effectivePeriod"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.author",
      "path" : "Citation.author",
      "short" : "Who authored the Citation",
      "definition" : "Who authored the Citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.author",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.editor",
      "path" : "Citation.editor",
      "short" : "Who edited the Citation",
      "definition" : "Who edited the Citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.editor",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.reviewer",
      "path" : "Citation.reviewer",
      "short" : "Who reviewed the Citation",
      "definition" : "Who reviewed the Citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.reviewer",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.endorser",
      "path" : "Citation.endorser",
      "short" : "Who endorsed the Citation",
      "definition" : "Who endorsed the Citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.endorser",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.summary",
      "path" : "Citation.summary",
      "short" : "A human-readable display of the citation",
      "definition" : "A human-readable display of the citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.summary",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.summary.style",
      "path" : "Citation.summary.style",
      "short" : "Format for display of the citation",
      "definition" : "Format for display of the citation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.summary.style",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationSummaryStyle"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-summary-style"
      }
    },
    {
      "id" : "Citation.summary.text",
      "path" : "Citation.summary.text",
      "short" : "The human-readable display of the citation",
      "definition" : "The human-readable display of the citation.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.summary.text",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.classification",
      "path" : "Citation.classification",
      "short" : "The assignment to an organizing scheme",
      "definition" : "The assignment to an organizing scheme.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.classification",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.classification.id",
      "path" : "Citation.classification.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.classification.extension",
      "path" : "Citation.classification.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.classification.modifierExtension",
      "path" : "Citation.classification.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.classification.type",
      "path" : "Citation.classification.type",
      "short" : "The kind of classifier (e.g. publication type, keyword)",
      "definition" : "The kind of classifier (e.g. publication type, keyword).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.classification.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationClassificationType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-classification-type"
      }
    },
    {
      "id" : "Citation.classification.classifier",
      "path" : "Citation.classification.classifier",
      "short" : "The specific classification value",
      "definition" : "The specific classification value.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.classification.classifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.note",
      "path" : "Citation.note",
      "short" : "Used for general notes and annotations not coded elsewhere",
      "definition" : "Used for general notes and annotations not coded elsewhere.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.note",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Annotation"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.currentState",
      "path" : "Citation.currentState",
      "short" : "The status of the citation",
      "definition" : "The status of the citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.currentState",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationStatusType"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-status-type"
      }
    },
    {
      "id" : "Citation.statusDate",
      "path" : "Citation.statusDate",
      "short" : "An effective date or period for a status of the citation",
      "definition" : "An effective date or period for a status of the citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.statusDate",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.statusDate.id",
      "path" : "Citation.statusDate.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.statusDate.extension",
      "path" : "Citation.statusDate.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.statusDate.modifierExtension",
      "path" : "Citation.statusDate.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.statusDate.activity",
      "path" : "Citation.statusDate.activity",
      "short" : "Classification of the status",
      "definition" : "Classification of the status.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.statusDate.activity",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationStatusType"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-status-type"
      }
    },
    {
      "id" : "Citation.statusDate.actual",
      "path" : "Citation.statusDate.actual",
      "short" : "Either occurred or expected",
      "definition" : "Either occurred or expected.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.statusDate.actual",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.statusDate.period",
      "path" : "Citation.statusDate.period",
      "short" : "When the status started and/or ended",
      "definition" : "When the status started and/or ended.",
      "comment" : "For an instance, place the same value in both start and end elements.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.statusDate.period",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "Period"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.relatesTo",
      "path" : "Citation.relatesTo",
      "short" : "Artifact related to the Citation Resource",
      "definition" : "Artifact related to the Citation Resource.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.relatesTo",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.relatesTo.id",
      "path" : "Citation.relatesTo.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.relatesTo.extension",
      "path" : "Citation.relatesTo.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.relatesTo.modifierExtension",
      "path" : "Citation.relatesTo.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.relatesTo.relationshipType",
      "path" : "Citation.relatesTo.relationshipType",
      "short" : "How the Citation resource relates to the target artifact",
      "definition" : "How the Citation resource relates to the target artifact.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.relatesTo.relationshipType",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactRelationshipType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-relationship-type"
      }
    },
    {
      "id" : "Citation.relatesTo.targetClassifier",
      "path" : "Citation.relatesTo.targetClassifier",
      "short" : "The clasification of the related artifact",
      "definition" : "The clasification of the related artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.relatesTo.targetClassifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.relatesTo.target[x]",
      "path" : "Citation.relatesTo.target[x]",
      "short" : "The article or artifact that the Citation Resource is related to",
      "definition" : "The article or artifact that the Citation Resource is related to.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.relatesTo.target[x]",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      },
      {
        "code" : "Identifier"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Resource"]
      },
      {
        "code" : "Attachment"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact",
      "path" : "Citation.citedArtifact",
      "short" : "The article or artifact being described",
      "definition" : "The article or artifact being described.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.id",
      "path" : "Citation.citedArtifact.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.extension",
      "path" : "Citation.citedArtifact.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.modifierExtension",
      "path" : "Citation.citedArtifact.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.identifier",
      "path" : "Citation.citedArtifact.identifier",
      "short" : "May include DOI, PMID, PMCID, etc.",
      "definition" : "A formal identifier that is used to identify this citation when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "May include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
      "requirements" : "Allows externally provided and/or usable identifiers to be associated with this citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.citedArtifact.relatedIdentifier",
      "path" : "Citation.citedArtifact.relatedIdentifier",
      "short" : "May include trial registry identifiers",
      "definition" : "A formal identifier that is used to identify things closely related to this citation.",
      "comment" : "May include trial registry identifiers, e.g. NCT04372602 from clinicaltrials.gov. This identifier can be valid for multiple citation resources.",
      "requirements" : "Allows externally provided and/or usable identifiers to be associated with this citation.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.relatedIdentifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.citedArtifact.dateAccessed",
      "path" : "Citation.citedArtifact.dateAccessed",
      "short" : "When the cited artifact was accessed",
      "definition" : "When the cited artifact was accessed.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.dateAccessed",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.citedArtifact.version",
      "path" : "Citation.citedArtifact.version",
      "short" : "The defined version of the cited artifact",
      "definition" : "The defined version of the cited artifact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.version",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.version.id",
      "path" : "Citation.citedArtifact.version.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.version.extension",
      "path" : "Citation.citedArtifact.version.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.version.modifierExtension",
      "path" : "Citation.citedArtifact.version.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.version.value",
      "path" : "Citation.citedArtifact.version.value",
      "short" : "The version number or other version identifier",
      "definition" : "The version number or other version identifier.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.version.value",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.version.baseCitation",
      "path" : "Citation.citedArtifact.version.baseCitation",
      "short" : "Citation for the main version of the cited artifact",
      "definition" : "Citation for the main version of the cited artifact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.version.baseCitation",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Citation"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.currentState",
      "path" : "Citation.citedArtifact.currentState",
      "short" : "The status of the cited artifact",
      "definition" : "The status of the cited artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.currentState",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactStatusType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-status-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.statusDate",
      "path" : "Citation.citedArtifact.statusDate",
      "short" : "An effective date or period for a status of the cited artifact",
      "definition" : "An effective date or period for a status of the cited artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.statusDate",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.statusDate.id",
      "path" : "Citation.citedArtifact.statusDate.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.statusDate.extension",
      "path" : "Citation.citedArtifact.statusDate.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.statusDate.modifierExtension",
      "path" : "Citation.citedArtifact.statusDate.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.statusDate.activity",
      "path" : "Citation.citedArtifact.statusDate.activity",
      "short" : "Classification of the status",
      "definition" : "Classification of the status.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.statusDate.activity",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactStatusType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-status-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.statusDate.actual",
      "path" : "Citation.citedArtifact.statusDate.actual",
      "short" : "Either occurred or expected",
      "definition" : "Either occurred or expected.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.statusDate.actual",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.statusDate.period",
      "path" : "Citation.citedArtifact.statusDate.period",
      "short" : "When the status started and/or ended",
      "definition" : "When the status started and/or ended.",
      "comment" : "For an instance, place the same value in both start and end elements.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.statusDate.period",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "Period"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.title",
      "path" : "Citation.citedArtifact.title",
      "short" : "The title details of the article or artifact",
      "definition" : "The title details of the article or artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.title",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.title.id",
      "path" : "Citation.citedArtifact.title.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.title.extension",
      "path" : "Citation.citedArtifact.title.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.title.modifierExtension",
      "path" : "Citation.citedArtifact.title.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.title.type",
      "path" : "Citation.citedArtifact.title.type",
      "short" : "The kind of title",
      "definition" : "Used to express the reason or specific aspect for the title.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.title.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "TitleType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/title-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.title.language",
      "path" : "Citation.citedArtifact.title.language",
      "short" : "Used to express the specific language",
      "definition" : "Used to express the specific language.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.title.language",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.citedArtifact.title.text",
      "path" : "Citation.citedArtifact.title.text",
      "short" : "The title of the article or artifact",
      "definition" : "The title of the article or artifact.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.title.text",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.abstract",
      "path" : "Citation.citedArtifact.abstract",
      "short" : "Summary of the article or artifact",
      "definition" : "Summary of the article or artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.abstract",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.abstract.id",
      "path" : "Citation.citedArtifact.abstract.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.abstract.extension",
      "path" : "Citation.citedArtifact.abstract.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.abstract.modifierExtension",
      "path" : "Citation.citedArtifact.abstract.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.abstract.type",
      "path" : "Citation.citedArtifact.abstract.type",
      "short" : "The kind of abstract",
      "definition" : "Used to express the reason or specific aspect for the abstract.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.abstract.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactAbstractType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-abstract-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.abstract.language",
      "path" : "Citation.citedArtifact.abstract.language",
      "short" : "Used to express the specific language",
      "definition" : "Used to express the specific language.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.abstract.language",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.citedArtifact.abstract.text",
      "path" : "Citation.citedArtifact.abstract.text",
      "short" : "Abstract content",
      "definition" : "Abstract content.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.abstract.text",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.abstract.copyright",
      "path" : "Citation.citedArtifact.abstract.copyright",
      "short" : "Copyright notice for the abstract",
      "definition" : "Copyright notice for the abstract.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.abstract.copyright",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.part",
      "path" : "Citation.citedArtifact.part",
      "short" : "The component of the article or artifact",
      "definition" : "The component of the article or artifact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.part",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.part.id",
      "path" : "Citation.citedArtifact.part.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.part.extension",
      "path" : "Citation.citedArtifact.part.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.part.modifierExtension",
      "path" : "Citation.citedArtifact.part.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.part.type",
      "path" : "Citation.citedArtifact.part.type",
      "short" : "The kind of component",
      "definition" : "The kind of component.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.part.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactPartType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-part-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.part.value",
      "path" : "Citation.citedArtifact.part.value",
      "short" : "The specification of the component",
      "definition" : "The specification of the component.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.part.value",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.part.baseCitation",
      "path" : "Citation.citedArtifact.part.baseCitation",
      "short" : "The citation for the full article or artifact",
      "definition" : "The citation for the full article or artifact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.part.baseCitation",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Citation"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.relatesTo",
      "path" : "Citation.citedArtifact.relatesTo",
      "short" : "The artifact related to the cited artifact",
      "definition" : "The artifact related to the cited artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.relatesTo",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.id",
      "path" : "Citation.citedArtifact.relatesTo.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.extension",
      "path" : "Citation.citedArtifact.relatesTo.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.modifierExtension",
      "path" : "Citation.citedArtifact.relatesTo.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.relationshipType",
      "path" : "Citation.citedArtifact.relatesTo.relationshipType",
      "short" : "How the cited artifact resource relates to the target artifact",
      "definition" : "How the cited artifact resource relates to the target artifact.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.relatesTo.relationshipType",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactRelationshipType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-relationship-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.targetClassifier",
      "path" : "Citation.citedArtifact.relatesTo.targetClassifier",
      "short" : "The clasification of the related artifact",
      "definition" : "The clasification of the related artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.relatesTo.targetClassifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.target[x]",
      "path" : "Citation.citedArtifact.relatesTo.target[x]",
      "short" : "The article or artifact that the cited artifact is related to",
      "definition" : "The article or artifact that the cited artifact is related to.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.relatesTo.target[x]",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      },
      {
        "code" : "Identifier"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Resource"]
      },
      {
        "code" : "Attachment"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm",
      "path" : "Citation.citedArtifact.publicationForm",
      "short" : "If multiple, used to represent alternative forms of the article that are not separate citations",
      "definition" : "If multiple, used to represent alternative forms of the article that are not separate citations.",
      "comment" : "A common use is a journal article with a publication date and pagination for a print version and a different publication date for the online version of the same article.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.id",
      "path" : "Citation.citedArtifact.publicationForm.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.extension",
      "path" : "Citation.citedArtifact.publicationForm.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.modifierExtension",
      "path" : "Citation.citedArtifact.publicationForm.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn",
      "short" : "The collection the cited article or artifact is published in",
      "definition" : "The collection the cited article or artifact is published in.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.publishedIn",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.id",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.extension",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.modifierExtension",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.type",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.type",
      "short" : "Kind of container (e.g. Periodical, database, or book)",
      "definition" : "Kind of container (e.g. Periodical, database, or book).",
      "comment" : "Journals and newspapers are coded as Periodical.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.publishedIn.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "PublishedInType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/published-in-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.identifier",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.identifier",
      "short" : "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN",
      "definition" : "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.publishedIn.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.title",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.title",
      "short" : "Name of the database or title of the book or journal",
      "definition" : "Name of the database or title of the book or journal.",
      "comment" : "ClinicalTrials.gov is a name of a database.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.publishedIn.title",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.publisher",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.publisher",
      "short" : "Name of the publisher",
      "definition" : "Name of the publisher.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.publishedIn.publisher",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Organization"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.publisherLocation",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.publisherLocation",
      "short" : "Geographic location of the publisher",
      "definition" : "Geographic location of the publisher.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.publishedIn.publisherLocation",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease",
      "short" : "The specific issue in which the cited article resides",
      "definition" : "The specific issue in which the cited article resides.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.id",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.extension",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.modifierExtension",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.citedMedium",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.citedMedium",
      "short" : "Internet or Print",
      "definition" : "Describes the form of the medium cited. Common codes are \"Internet\" or \"Print\".",
      "comment" : "National Library of Medicine uses the codes \"Internet\" or \"Print\".",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.citedMedium",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "JournalIssueMedium"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/journal-issue-medium"
      }
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.volume",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.volume",
      "short" : "Volume number of journal in which the article is published",
      "definition" : "Volume number of journal in which the article is published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.volume",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.issue",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.issue",
      "short" : "Issue, part or supplement of journal in which the article is published",
      "definition" : "Issue, part or supplement of journal in which the article is published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.issue",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication",
      "short" : "Defining the date on which the issue of the journal was published",
      "definition" : "Defining the date on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.id",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.extension",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.modifierExtension",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date",
      "short" : "Date on which the issue of the journal was published",
      "definition" : "Date on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "date"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year",
      "short" : "Year on which the issue of the journal was published",
      "definition" : "Year on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month",
      "short" : "Month on which the issue of the journal was published",
      "definition" : "Month on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day",
      "short" : "Day on which the issue of the journal was published",
      "definition" : "Day on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season",
      "short" : "Season on which the issue of the journal was published",
      "definition" : "Spring, Summer, Fall/Autumn, Winter.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text",
      "short" : "Text representation of the date of which the issue of the journal was published",
      "definition" : "Text representation of the date of which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.articleDate",
      "path" : "Citation.citedArtifact.publicationForm.articleDate",
      "short" : "The date the article was added to the database, or the date the article was released",
      "definition" : "The date the article was added to the database, or the date the article was released (which may differ from the journal issue publication date).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.articleDate",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.lastRevisionDate",
      "path" : "Citation.citedArtifact.publicationForm.lastRevisionDate",
      "short" : "The date the article was last revised or updated in the database",
      "definition" : "The date the article was last revised or updated in the database.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.lastRevisionDate",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.language",
      "path" : "Citation.citedArtifact.publicationForm.language",
      "short" : "Language in which this form of the article is published",
      "definition" : "Language in which this form of the article is published.",
      "comment" : "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.language",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.accessionNumber",
      "path" : "Citation.citedArtifact.publicationForm.accessionNumber",
      "short" : "Entry number or identifier for inclusion in a database",
      "definition" : "Entry number or identifier for inclusion in a database.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.accessionNumber",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.pageString",
      "path" : "Citation.citedArtifact.publicationForm.pageString",
      "short" : "Used for full display of pagination",
      "definition" : "Used for full display of pagination.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.pageString",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.firstPage",
      "path" : "Citation.citedArtifact.publicationForm.firstPage",
      "short" : "Used for isolated representation of first page",
      "definition" : "Used for isolated representation of first page.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.firstPage",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.lastPage",
      "path" : "Citation.citedArtifact.publicationForm.lastPage",
      "short" : "Used for isolated representation of last page",
      "definition" : "Used for isolated representation of last page.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.lastPage",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.pageCount",
      "path" : "Citation.citedArtifact.publicationForm.pageCount",
      "short" : "Number of pages or screens",
      "definition" : "Actual or approximate number of pages or screens.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.pageCount",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.copyright",
      "path" : "Citation.citedArtifact.publicationForm.copyright",
      "short" : "Copyright notice for the full article or artifact",
      "definition" : "Copyright notice for the full article or artifact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.publicationForm.copyright",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.webLocation",
      "path" : "Citation.citedArtifact.webLocation",
      "short" : "Used for any URL for the article or artifact cited",
      "definition" : "Used for any URL for the article or artifact cited.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.webLocation",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.webLocation.id",
      "path" : "Citation.citedArtifact.webLocation.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.webLocation.extension",
      "path" : "Citation.citedArtifact.webLocation.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.webLocation.modifierExtension",
      "path" : "Citation.citedArtifact.webLocation.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.webLocation.type",
      "path" : "Citation.citedArtifact.webLocation.type",
      "short" : "Code the reason for different URLs, e.g. abstract and full-text",
      "definition" : "Code the reason for different URLs, e.g. abstract and full-text.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.webLocation.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArticleUrlType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/article-url-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.webLocation.url",
      "path" : "Citation.citedArtifact.webLocation.url",
      "short" : "The specific URL",
      "definition" : "The specific URL.",
      "comment" : "Persistent URLs, like doi, are preferred.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.webLocation.url",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification",
      "path" : "Citation.citedArtifact.classification",
      "short" : "The assignment to an organizing scheme",
      "definition" : "The assignment to an organizing scheme.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.classification",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.id",
      "path" : "Citation.citedArtifact.classification.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.classification.extension",
      "path" : "Citation.citedArtifact.classification.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.classification.modifierExtension",
      "path" : "Citation.citedArtifact.classification.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.classification.type",
      "path" : "Citation.citedArtifact.classification.type",
      "short" : "The kind of classifier (e.g. publication type, keyword)",
      "definition" : "The kind of classifier (e.g. publication type, keyword).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactClassificationType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-classification-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.classification.classifier",
      "path" : "Citation.citedArtifact.classification.classifier",
      "short" : "The specific classification value",
      "definition" : "The specific classification value.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.classification.classifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified",
      "path" : "Citation.citedArtifact.classification.whoClassified",
      "short" : "Provenance and copyright of classification",
      "definition" : "Provenance and copyright of classification.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.whoClassified",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.id",
      "path" : "Citation.citedArtifact.classification.whoClassified.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.extension",
      "path" : "Citation.citedArtifact.classification.whoClassified.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.modifierExtension",
      "path" : "Citation.citedArtifact.classification.whoClassified.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.person",
      "path" : "Citation.citedArtifact.classification.whoClassified.person",
      "short" : "Person who created the classification",
      "definition" : "Person who created the classification.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.whoClassified.person",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Person",
        "http://hl7.org/fhir/StructureDefinition/Practitioner"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.organization",
      "path" : "Citation.citedArtifact.classification.whoClassified.organization",
      "short" : "Organization who created the classification",
      "definition" : "Organization who created the classification.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.whoClassified.organization",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Organization"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.publisher",
      "path" : "Citation.citedArtifact.classification.whoClassified.publisher",
      "short" : "The publisher of the classification, not the publisher of the article or artifact being cited",
      "definition" : "The publisher of the classification, not the publisher of the article or artifact being cited.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.whoClassified.publisher",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Organization"]
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.classifierCopyright",
      "path" : "Citation.citedArtifact.classification.whoClassified.classifierCopyright",
      "short" : "Rights management statement for the classification",
      "definition" : "Rights management statement for the classification.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.whoClassified.classifierCopyright",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.freeToShare",
      "path" : "Citation.citedArtifact.classification.whoClassified.freeToShare",
      "short" : "Acceptable to re-use the classification",
      "definition" : "Acceptable to re-use the classification.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.classification.whoClassified.freeToShare",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship",
      "path" : "Citation.citedArtifact.contributorship",
      "short" : "Attribution of authors and other contributors",
      "definition" : "This element is used to list authors and other contributors, their contact information, specific contributions, and summary statements.",
      "requirements" : "Need to support individualized and collective attribution of authorship and contributorship to people and groups.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.id",
      "path" : "Citation.citedArtifact.contributorship.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.extension",
      "path" : "Citation.citedArtifact.contributorship.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.modifierExtension",
      "path" : "Citation.citedArtifact.contributorship.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.complete",
      "path" : "Citation.citedArtifact.contributorship.complete",
      "short" : "Indicates if the list includes all authors and/or contributors",
      "definition" : "Indicates if the list includes all authors and/or contributors.",
      "comment" : "If list is incomplete \"et al\" can be appended to Contributorship.summary.value for display purposes.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.complete",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry",
      "path" : "Citation.citedArtifact.contributorship.entry",
      "short" : "An individual entity named in the list",
      "definition" : "An individual entity named in the author list or contributor list.",
      "comment" : "Used to report contributorship in individualized ways.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.id",
      "path" : "Citation.citedArtifact.contributorship.entry.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.extension",
      "path" : "Citation.citedArtifact.contributorship.entry.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.modifierExtension",
      "path" : "Citation.citedArtifact.contributorship.entry.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.name",
      "path" : "Citation.citedArtifact.contributorship.entry.name",
      "short" : "A name associated with the person",
      "definition" : "A name associated with the individual.",
      "comment" : "humanName.family can match MEDLINE-based lastName (used for surname or single name), humanName.given can match MEDLINE-based forename (used for remainder of name except for suffix), humanName.suffix can match MEDLINE-based suffix (eg 2nd, 3rd, Jr, Sr).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.name",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "HumanName"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.initials",
      "path" : "Citation.citedArtifact.contributorship.entry.initials",
      "short" : "Initials for forename",
      "definition" : "Initials for forename.",
      "comment" : "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.initials",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.collectiveName",
      "path" : "Citation.citedArtifact.contributorship.entry.collectiveName",
      "short" : "Used for collective or corporate name as an author",
      "definition" : "Used for collective or corporate name as an author.",
      "comment" : "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.collectiveName",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.identifier",
      "path" : "Citation.citedArtifact.contributorship.entry.identifier",
      "short" : "Author identifier, eg ORCID",
      "definition" : "Unique person identifier.",
      "comment" : "Avoids needing to disambiguate common last names or changes of name. ORCID is commonly used as author identifier.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo",
      "short" : "Organizational affiliation",
      "definition" : "Organization affiliated with the entity.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.id",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.extension",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.modifierExtension",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation",
      "short" : "Display for the organization",
      "definition" : "Display for the organization.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.role",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.role",
      "short" : "Role within the organization, such as professional title",
      "definition" : "Role within the organization, such as professional title.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.role",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier",
      "short" : "Identifier for the organization",
      "definition" : "Identifier for the organization.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.address",
      "path" : "Citation.citedArtifact.contributorship.entry.address",
      "short" : "Physical mailing address",
      "definition" : "Physical mailing address for the author or contributor.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.address",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Address"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.telecom",
      "path" : "Citation.citedArtifact.contributorship.entry.telecom",
      "short" : "Email or telephone contact methods for the author or contributor",
      "definition" : "Email or telephone contact methods for the author or contributor.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.telecom",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactPoint"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionType",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionType",
      "short" : "The specific contribution",
      "definition" : "This element identifies the specific nature of an individual’s contribution with respect to the cited work.",
      "comment" : "The CreDiT taxonomy provides a way to encode contribution information inside article XML files. The purpose of CRediT is to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.contributionType",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactContributionType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-contribution-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.role",
      "path" : "Citation.citedArtifact.contributorship.entry.role",
      "short" : "The role of the contributor (e.g. author, editor, reviewer)",
      "definition" : "The role of the contributor (e.g. author, editor, reviewer).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.role",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorRole"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-role"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance",
      "short" : "Contributions with accounting for time or number",
      "definition" : "Contributions with accounting for time or number.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.id",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.extension",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.modifierExtension",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.type",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.type",
      "short" : "The specific contribution",
      "definition" : "The specific contribution.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.type",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactContributionInstanceType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-contribution-instance-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.time",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.time",
      "short" : "The time that the contribution was made",
      "definition" : "The time that the contribution was made.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.time",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.correspondingContact",
      "path" : "Citation.citedArtifact.contributorship.entry.correspondingContact",
      "short" : "Indication of which contributor is the corresponding contributor for the role",
      "definition" : "Indication of which contributor is the corresponding contributor for the role.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.correspondingContact",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.listOrder",
      "path" : "Citation.citedArtifact.contributorship.entry.listOrder",
      "short" : "Used to code order of authors",
      "definition" : "Used to code order of authors.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.entry.listOrder",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "positiveInt"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary",
      "path" : "Citation.citedArtifact.contributorship.summary",
      "short" : "Used to record a display of the author/contributor list without separate coding for each list member",
      "definition" : "Used to record a display of the author/contributor list without separate coding for each list member.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.summary",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "BackboneElement"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.id",
      "path" : "Citation.citedArtifact.contributorship.summary.id",
      "representation" : ["xmlAttr"],
      "short" : "Unique id for inter-element referencing",
      "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Element.id",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUri" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.extension",
      "path" : "Citation.citedArtifact.contributorship.summary.extension",
      "short" : "Additional content defined by implementations",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Element.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.modifierExtension",
      "path" : "Citation.citedArtifact.contributorship.summary.modifierExtension",
      "short" : "Extensions that cannot be ignored even if unrecognized",
      "definition" : "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
      "requirements" : "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content",
      "modifiers"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "BackboneElement.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      },
      {
        "key" : "ext-1",
        "severity" : "error",
        "human" : "Must have either extensions or value[x], not both",
        "expression" : "extension.exists() != value.exists()",
        "xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
        "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them",
      "isSummary" : true,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.type",
      "path" : "Citation.citedArtifact.contributorship.summary.type",
      "short" : "Either authorList or contributorshipStatement",
      "definition" : "Used most commonly to express an author list or a contributorship statement.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.summary.type",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorSummaryType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-summary-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.style",
      "path" : "Citation.citedArtifact.contributorship.summary.style",
      "short" : "The format for the display string",
      "definition" : "The format for the display string.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.summary.style",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorSummaryStyle"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-summary-style"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.source",
      "path" : "Citation.citedArtifact.contributorship.summary.source",
      "short" : "Used to code the producer or rule for creating the display string",
      "definition" : "Used to code the producer or rule for creating the display string.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.summary.source",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorSummarySource"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-summary-source"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.value",
      "path" : "Citation.citedArtifact.contributorship.summary.value",
      "short" : "The display string for the author list, contributor list, or contributorship statement",
      "definition" : "The display string for the author list, contributor list, or contributorship statement.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Citation.citedArtifact.contributorship.summary.value",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.note",
      "path" : "Citation.citedArtifact.note",
      "short" : "Any additional information or content for the article or artifact",
      "definition" : "Any additional information or content for the article or artifact.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Citation.citedArtifact.note",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Annotation"
      }],
      "constraint" : [{
        "key" : "ele-1",
        "severity" : "error",
        "human" : "All FHIR elements must have a @value or children",
        "expression" : "hasValue() or (children().count() > id.count())",
        "xpath" : "@value|f:*|h:div",
        "source" : "http://hl7.org/fhir/StructureDefinition/Element"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "Citation",
      "path" : "Citation",
      "short" : "A description of identification, location, or contributorship of a publication (article or artifact)",
      "definition" : "The Citation Resource enables reference to any knowledge artifact for purposes of identification and attribution. The Citation Resource supports existing reference structures and developing publication practices such as versioning, expressing complex contributorship roles, and referencing computable resources.",
      "min" : 0,
      "max" : "*",
      "constraint" : [{
        "key" : "cnl-0",
        "severity" : "warning",
        "human" : "Name should be usable as an identifier for the module by machine processing applications such as code generation",
        "expression" : "name.matches('[A-Z]([A-Za-z0-9_]){0,254}')",
        "xpath" : "not(exists(f:name/@value)) or matches(f:name/@value, '[A-Z]([A-Za-z0-9_]){0,254}')",
        "source" : "http://hl7.org/fhir/StructureDefinition/Citation"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "mapping" : [{
        "identity" : "w5",
        "map" : "clinical.general"
      }]
    },
    {
      "id" : "Citation.url",
      "path" : "Citation.url",
      "short" : "Canonical identifier for this citation, represented as a globally unique URI",
      "definition" : "An absolute URI that is used to identify this citation when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this summary is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the summary is stored on different servers.",
      "comment" : "Can be a urn:uuid: or a urn:oid: but real http: addresses are preferred. Multiple instances may share the same URL if they have a distinct version.",
      "requirements" : "Allows the citation to be referenced by a single globally unique identifier.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "uri"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.url"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      }]
    },
    {
      "id" : "Citation.identifier",
      "path" : "Citation.identifier",
      "short" : "Identifier for the Citation resource itself",
      "definition" : "A formal identifier that is used to identify this citation when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "May include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
      "requirements" : "Allows externally provided and/or usable identifiers to be associated with this citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.version",
      "path" : "Citation.version",
      "short" : "Business version of the citation",
      "definition" : "The identifier that is used to identify this version of the citation when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the citation author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
      "comment" : "There may be different citation instances that have the same identifier but different versions.  The version can be appended to the url in a reference to allow a reference to a particular business version of the citation with the format [url]|[version].",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.version"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.version"
      }]
    },
    {
      "id" : "Citation.name",
      "path" : "Citation.name",
      "short" : "Name for this citation (computer friendly)",
      "definition" : "A natural language name identifying the citation. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
      "comment" : "The name is not expected to be globally unique. The name should be a simple alphanumeric type name to ensure that it is machine-processing friendly.",
      "requirements" : "Support human navigation and code generation.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "condition" : ["cnl-0"],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.title",
      "path" : "Citation.title",
      "short" : "Name for this citation (human friendly)",
      "definition" : "A short, descriptive, user-friendly title for the citation.",
      "comment" : "This name does not need to be machine-processing friendly and may contain punctuation, white-space, etc.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.title"
      }]
    },
    {
      "id" : "Citation.status",
      "path" : "Citation.status",
      "short" : "draft | active | retired | unknown",
      "definition" : "The status of this summary. Enables tracking the life-cycle of the content.",
      "comment" : "Allows filtering of summarys s that are appropriate for use versus not.",
      "requirements" : "Allows filtering of citations that are appropriate for use versus not.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "mustSupport" : false,
      "isModifier" : true,
      "isModifierReason" : "This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "PublicationStatus"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "required",
        "valueSet" : "http://hl7.org/fhir/ValueSet/publication-status|4.6.0"
      }
    },
    {
      "id" : "Citation.experimental",
      "path" : "Citation.experimental",
      "short" : "For testing purposes, not real usage",
      "definition" : "A Boolean value to indicate that this citation is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
      "comment" : "Allows filtering of citations that are appropriate for use versus not.",
      "requirements" : "Enables experimental content to be developed following the same lifecycle that would be used for a production-level citation.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.experimental"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.class"
      }]
    },
    {
      "id" : "Citation.date",
      "path" : "Citation.date",
      "short" : "Date last changed",
      "definition" : "The date  (and optionally time) when the citation was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the citation changes.",
      "comment" : "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the citation. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource.",
      "alias" : ["Revision Date"],
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.date"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      }]
    },
    {
      "id" : "Citation.publisher",
      "path" : "Citation.publisher",
      "short" : "The publisher of the Citation, not the publisher of the article or artifact being cited",
      "definition" : "The name of the organization or individual that published the citation.",
      "comment" : "Usually an organization but may be an individual. The publisher (or steward) of the citation is the organization or individual primarily responsible for the maintenance and upkeep of the citation. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the citation. This item SHOULD be populated unless the information is available from context.",
      "requirements" : "Helps establish the \"authority/credibility\" of the citation.  May also allow for contact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.publisher"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.witness"
      }]
    },
    {
      "id" : "Citation.contact",
      "path" : "Citation.contact",
      "short" : "Contact details for the publisher of the Citation Resource",
      "definition" : "Contact details to assist a user in finding and communicating with the publisher.",
      "comment" : "May be a web site, an email address, a telephone number, etc.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.contact"
      }]
    },
    {
      "id" : "Citation.description",
      "path" : "Citation.description",
      "short" : "Natural language description of the citation",
      "definition" : "A free text natural language description of the citation from a consumer's perspective.",
      "comment" : "This description can be used to capture details such as why the citation was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the citation as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the citation is presumed to be the predominant language in the place the citation was created).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.description"
      }]
    },
    {
      "id" : "Citation.useContext",
      "path" : "Citation.useContext",
      "short" : "The context that the Citation Resource content is intended to support",
      "definition" : "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate citation instances.",
      "comment" : "When multiple useContexts are specified, there is no expectation that all or any of the contexts apply.",
      "requirements" : "Assist in searching for appropriate content.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "UsageContext"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.useContext"
      }]
    },
    {
      "id" : "Citation.jurisdiction",
      "path" : "Citation.jurisdiction",
      "short" : "Intended jurisdiction for citation (if applicable)",
      "definition" : "A legal or geographic region in which the citation is intended to be used.",
      "comment" : "It may be possible for the citation to be used in jurisdictions other than those for which it was originally designed or intended.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Jurisdiction"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/jurisdiction"
      }
    },
    {
      "id" : "Citation.purpose",
      "path" : "Citation.purpose",
      "short" : "Why this citation is defined",
      "definition" : "Explanation of why this citation is needed and why it has been designed as it has.",
      "comment" : "This element does not describe the usage of the citation. Instead, it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is.  This may be used to point to source materials or specifications that drove the structure of this citation.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.purpose"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.copyright",
      "path" : "Citation.copyright",
      "short" : "Use and/or publishing restrictions for the Citation, not for the cited artifact",
      "definition" : "Use and/or publishing restrictions for the Citation, not for the cited artifact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.approvalDate",
      "path" : "Citation.approvalDate",
      "short" : "When the citation was approved by publisher",
      "definition" : "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
      "comment" : "The 'date' element may be more recent than the approval date because of minor changes or editorial corrections.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "date"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.approvalDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.lastReviewDate",
      "path" : "Citation.lastReviewDate",
      "short" : "When the citation was last reviewed",
      "definition" : "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
      "comment" : "If specified, this date follows the original approval date.",
      "requirements" : "Gives a sense of how \"current\" the content is.  Resources that have not been reviewed in a long time may have a risk of being less appropriate/relevant.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "date"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.lastReviewDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.effectivePeriod",
      "path" : "Citation.effectivePeriod",
      "short" : "When the citation is expected to be used",
      "definition" : "The period during which the citation content was or is planned to be in active use.",
      "comment" : "The effective period for a citation  determines when the content is applicable for usage and is independent of publication and review dates. For example, a measure intended to be used for the year 2016 might be published in 2015.",
      "requirements" : "Allows establishing a transition before a resource comes into effect and also allows for a sunsetting  process when new versions of the citation are or are expected to be used instead.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Period"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.effectivePeriod"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "Citation.author",
      "path" : "Citation.author",
      "short" : "Who authored the Citation",
      "definition" : "Who authored the Citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.editor",
      "path" : "Citation.editor",
      "short" : "Who edited the Citation",
      "definition" : "Who edited the Citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.reviewer",
      "path" : "Citation.reviewer",
      "short" : "Who reviewed the Citation",
      "definition" : "Who reviewed the Citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.endorser",
      "path" : "Citation.endorser",
      "short" : "Who endorsed the Citation",
      "definition" : "Who endorsed the Citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.summary",
      "path" : "Citation.summary",
      "short" : "A human-readable display of the citation",
      "definition" : "A human-readable display of the citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.summary.style",
      "path" : "Citation.summary.style",
      "short" : "Format for display of the citation",
      "definition" : "Format for display of the citation.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationSummaryStyle"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-summary-style"
      }
    },
    {
      "id" : "Citation.summary.text",
      "path" : "Citation.summary.text",
      "short" : "The human-readable display of the citation",
      "definition" : "The human-readable display of the citation.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.classification",
      "path" : "Citation.classification",
      "short" : "The assignment to an organizing scheme",
      "definition" : "The assignment to an organizing scheme.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.classification.type",
      "path" : "Citation.classification.type",
      "short" : "The kind of classifier (e.g. publication type, keyword)",
      "definition" : "The kind of classifier (e.g. publication type, keyword).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationClassificationType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-classification-type"
      }
    },
    {
      "id" : "Citation.classification.classifier",
      "path" : "Citation.classification.classifier",
      "short" : "The specific classification value",
      "definition" : "The specific classification value.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.note",
      "path" : "Citation.note",
      "short" : "Used for general notes and annotations not coded elsewhere",
      "definition" : "Used for general notes and annotations not coded elsewhere.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Annotation"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.currentState",
      "path" : "Citation.currentState",
      "short" : "The status of the citation",
      "definition" : "The status of the citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationStatusType"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-status-type"
      }
    },
    {
      "id" : "Citation.statusDate",
      "path" : "Citation.statusDate",
      "short" : "An effective date or period for a status of the citation",
      "definition" : "An effective date or period for a status of the citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.statusDate.activity",
      "path" : "Citation.statusDate.activity",
      "short" : "Classification of the status",
      "definition" : "Classification of the status.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationStatusType"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-status-type"
      }
    },
    {
      "id" : "Citation.statusDate.actual",
      "path" : "Citation.statusDate.actual",
      "short" : "Either occurred or expected",
      "definition" : "Either occurred or expected.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.statusDate.period",
      "path" : "Citation.statusDate.period",
      "short" : "When the status started and/or ended",
      "definition" : "When the status started and/or ended.",
      "comment" : "For an instance, place the same value in both start and end elements.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "Period"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.relatesTo",
      "path" : "Citation.relatesTo",
      "short" : "Artifact related to the Citation Resource",
      "definition" : "Artifact related to the Citation Resource.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.relatesTo.relationshipType",
      "path" : "Citation.relatesTo.relationshipType",
      "short" : "How the Citation resource relates to the target artifact",
      "definition" : "How the Citation resource relates to the target artifact.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactRelationshipType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-relationship-type"
      }
    },
    {
      "id" : "Citation.relatesTo.targetClassifier",
      "path" : "Citation.relatesTo.targetClassifier",
      "short" : "The clasification of the related artifact",
      "definition" : "The clasification of the related artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.relatesTo.target[x]",
      "path" : "Citation.relatesTo.target[x]",
      "short" : "The article or artifact that the Citation Resource is related to",
      "definition" : "The article or artifact that the Citation Resource is related to.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "uri"
      },
      {
        "code" : "Identifier"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Resource"]
      },
      {
        "code" : "Attachment"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact",
      "path" : "Citation.citedArtifact",
      "short" : "The article or artifact being described",
      "definition" : "The article or artifact being described.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.identifier",
      "path" : "Citation.citedArtifact.identifier",
      "short" : "May include DOI, PMID, PMCID, etc.",
      "definition" : "A formal identifier that is used to identify this citation when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "May include DOI, PMID, PMCID, etc. This element will contain unique identifiers that support de-duplication of citations. This identifier can be valid for only one citation resource.",
      "requirements" : "Allows externally provided and/or usable identifiers to be associated with this citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.citedArtifact.relatedIdentifier",
      "path" : "Citation.citedArtifact.relatedIdentifier",
      "short" : "May include trial registry identifiers",
      "definition" : "A formal identifier that is used to identify things closely related to this citation.",
      "comment" : "May include trial registry identifiers, e.g. NCT04372602 from clinicaltrials.gov. This identifier can be valid for multiple citation resources.",
      "requirements" : "Allows externally provided and/or usable identifiers to be associated with this citation.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.citedArtifact.dateAccessed",
      "path" : "Citation.citedArtifact.dateAccessed",
      "short" : "When the cited artifact was accessed",
      "definition" : "When the cited artifact was accessed.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "Citation.citedArtifact.version",
      "path" : "Citation.citedArtifact.version",
      "short" : "The defined version of the cited artifact",
      "definition" : "The defined version of the cited artifact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.version.value",
      "path" : "Citation.citedArtifact.version.value",
      "short" : "The version number or other version identifier",
      "definition" : "The version number or other version identifier.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.version.baseCitation",
      "path" : "Citation.citedArtifact.version.baseCitation",
      "short" : "Citation for the main version of the cited artifact",
      "definition" : "Citation for the main version of the cited artifact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Citation"]
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.currentState",
      "path" : "Citation.citedArtifact.currentState",
      "short" : "The status of the cited artifact",
      "definition" : "The status of the cited artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactStatusType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-status-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.statusDate",
      "path" : "Citation.citedArtifact.statusDate",
      "short" : "An effective date or period for a status of the cited artifact",
      "definition" : "An effective date or period for a status of the cited artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.statusDate.activity",
      "path" : "Citation.citedArtifact.statusDate.activity",
      "short" : "Classification of the status",
      "definition" : "Classification of the status.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactStatusType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-status-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.statusDate.actual",
      "path" : "Citation.citedArtifact.statusDate.actual",
      "short" : "Either occurred or expected",
      "definition" : "Either occurred or expected.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.statusDate.period",
      "path" : "Citation.citedArtifact.statusDate.period",
      "short" : "When the status started and/or ended",
      "definition" : "When the status started and/or ended.",
      "comment" : "For an instance, place the same value in both start and end elements.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "Period"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.title",
      "path" : "Citation.citedArtifact.title",
      "short" : "The title details of the article or artifact",
      "definition" : "The title details of the article or artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.title.type",
      "path" : "Citation.citedArtifact.title.type",
      "short" : "The kind of title",
      "definition" : "Used to express the reason or specific aspect for the title.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "TitleType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/title-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.title.language",
      "path" : "Citation.citedArtifact.title.language",
      "short" : "Used to express the specific language",
      "definition" : "Used to express the specific language.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.citedArtifact.title.text",
      "path" : "Citation.citedArtifact.title.text",
      "short" : "The title of the article or artifact",
      "definition" : "The title of the article or artifact.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.abstract",
      "path" : "Citation.citedArtifact.abstract",
      "short" : "Summary of the article or artifact",
      "definition" : "Summary of the article or artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.abstract.type",
      "path" : "Citation.citedArtifact.abstract.type",
      "short" : "The kind of abstract",
      "definition" : "Used to express the reason or specific aspect for the abstract.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactAbstractType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-abstract-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.abstract.language",
      "path" : "Citation.citedArtifact.abstract.language",
      "short" : "Used to express the specific language",
      "definition" : "Used to express the specific language.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.citedArtifact.abstract.text",
      "path" : "Citation.citedArtifact.abstract.text",
      "short" : "Abstract content",
      "definition" : "Abstract content.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.abstract.copyright",
      "path" : "Citation.citedArtifact.abstract.copyright",
      "short" : "Copyright notice for the abstract",
      "definition" : "Copyright notice for the abstract.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.part",
      "path" : "Citation.citedArtifact.part",
      "short" : "The component of the article or artifact",
      "definition" : "The component of the article or artifact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.part.type",
      "path" : "Citation.citedArtifact.part.type",
      "short" : "The kind of component",
      "definition" : "The kind of component.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactPartType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-part-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.part.value",
      "path" : "Citation.citedArtifact.part.value",
      "short" : "The specification of the component",
      "definition" : "The specification of the component.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.part.baseCitation",
      "path" : "Citation.citedArtifact.part.baseCitation",
      "short" : "The citation for the full article or artifact",
      "definition" : "The citation for the full article or artifact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Citation"]
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.relatesTo",
      "path" : "Citation.citedArtifact.relatesTo",
      "short" : "The artifact related to the cited artifact",
      "definition" : "The artifact related to the cited artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.relationshipType",
      "path" : "Citation.citedArtifact.relatesTo.relationshipType",
      "short" : "How the cited artifact resource relates to the target artifact",
      "definition" : "How the cited artifact resource relates to the target artifact.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactRelationshipType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-relationship-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.targetClassifier",
      "path" : "Citation.citedArtifact.relatesTo.targetClassifier",
      "short" : "The clasification of the related artifact",
      "definition" : "The clasification of the related artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.citedArtifact.relatesTo.target[x]",
      "path" : "Citation.citedArtifact.relatesTo.target[x]",
      "short" : "The article or artifact that the cited artifact is related to",
      "definition" : "The article or artifact that the cited artifact is related to.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "uri"
      },
      {
        "code" : "Identifier"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Resource"]
      },
      {
        "code" : "Attachment"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm",
      "path" : "Citation.citedArtifact.publicationForm",
      "short" : "If multiple, used to represent alternative forms of the article that are not separate citations",
      "definition" : "If multiple, used to represent alternative forms of the article that are not separate citations.",
      "comment" : "A common use is a journal article with a publication date and pagination for a print version and a different publication date for the online version of the same article.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn",
      "short" : "The collection the cited article or artifact is published in",
      "definition" : "The collection the cited article or artifact is published in.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.type",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.type",
      "short" : "Kind of container (e.g. Periodical, database, or book)",
      "definition" : "Kind of container (e.g. Periodical, database, or book).",
      "comment" : "Journals and newspapers are coded as Periodical.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "PublishedInType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/published-in-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.identifier",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.identifier",
      "short" : "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN",
      "definition" : "Journal identifiers include ISSN, ISO Abbreviation and NLMuniqueID; Book identifiers include ISBN.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.title",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.title",
      "short" : "Name of the database or title of the book or journal",
      "definition" : "Name of the database or title of the book or journal.",
      "comment" : "ClinicalTrials.gov is a name of a database.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.publisher",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.publisher",
      "short" : "Name of the publisher",
      "definition" : "Name of the publisher.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Organization"]
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.publishedIn.publisherLocation",
      "path" : "Citation.citedArtifact.publicationForm.publishedIn.publisherLocation",
      "short" : "Geographic location of the publisher",
      "definition" : "Geographic location of the publisher.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease",
      "short" : "The specific issue in which the cited article resides",
      "definition" : "The specific issue in which the cited article resides.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.citedMedium",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.citedMedium",
      "short" : "Internet or Print",
      "definition" : "Describes the form of the medium cited. Common codes are \"Internet\" or \"Print\".",
      "comment" : "National Library of Medicine uses the codes \"Internet\" or \"Print\".",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "JournalIssueMedium"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/journal-issue-medium"
      }
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.volume",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.volume",
      "short" : "Volume number of journal in which the article is published",
      "definition" : "Volume number of journal in which the article is published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.issue",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.issue",
      "short" : "Issue, part or supplement of journal in which the article is published",
      "definition" : "Issue, part or supplement of journal in which the article is published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication",
      "short" : "Defining the date on which the issue of the journal was published",
      "definition" : "Defining the date on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.date",
      "short" : "Date on which the issue of the journal was published",
      "definition" : "Date on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "date"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.year",
      "short" : "Year on which the issue of the journal was published",
      "definition" : "Year on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.month",
      "short" : "Month on which the issue of the journal was published",
      "definition" : "Month on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.day",
      "short" : "Day on which the issue of the journal was published",
      "definition" : "Day on which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.season",
      "short" : "Season on which the issue of the journal was published",
      "definition" : "Spring, Summer, Fall/Autumn, Winter.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text",
      "path" : "Citation.citedArtifact.publicationForm.periodicRelease.dateOfPublication.text",
      "short" : "Text representation of the date of which the issue of the journal was published",
      "definition" : "Text representation of the date of which the issue of the journal was published.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.articleDate",
      "path" : "Citation.citedArtifact.publicationForm.articleDate",
      "short" : "The date the article was added to the database, or the date the article was released",
      "definition" : "The date the article was added to the database, or the date the article was released (which may differ from the journal issue publication date).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.lastRevisionDate",
      "path" : "Citation.citedArtifact.publicationForm.lastRevisionDate",
      "short" : "The date the article was last revised or updated in the database",
      "definition" : "The date the article was last revised or updated in the database.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.language",
      "path" : "Citation.citedArtifact.publicationForm.language",
      "short" : "Language in which this form of the article is published",
      "definition" : "Language in which this form of the article is published.",
      "comment" : "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/build/StructureDefinition/definition",
          "valueString" : "A human language."
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.accessionNumber",
      "path" : "Citation.citedArtifact.publicationForm.accessionNumber",
      "short" : "Entry number or identifier for inclusion in a database",
      "definition" : "Entry number or identifier for inclusion in a database.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.pageString",
      "path" : "Citation.citedArtifact.publicationForm.pageString",
      "short" : "Used for full display of pagination",
      "definition" : "Used for full display of pagination.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.firstPage",
      "path" : "Citation.citedArtifact.publicationForm.firstPage",
      "short" : "Used for isolated representation of first page",
      "definition" : "Used for isolated representation of first page.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.lastPage",
      "path" : "Citation.citedArtifact.publicationForm.lastPage",
      "short" : "Used for isolated representation of last page",
      "definition" : "Used for isolated representation of last page.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.pageCount",
      "path" : "Citation.citedArtifact.publicationForm.pageCount",
      "short" : "Number of pages or screens",
      "definition" : "Actual or approximate number of pages or screens.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.publicationForm.copyright",
      "path" : "Citation.citedArtifact.publicationForm.copyright",
      "short" : "Copyright notice for the full article or artifact",
      "definition" : "Copyright notice for the full article or artifact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.webLocation",
      "path" : "Citation.citedArtifact.webLocation",
      "short" : "Used for any URL for the article or artifact cited",
      "definition" : "Used for any URL for the article or artifact cited.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.webLocation.type",
      "path" : "Citation.citedArtifact.webLocation.type",
      "short" : "Code the reason for different URLs, e.g. abstract and full-text",
      "definition" : "Code the reason for different URLs, e.g. abstract and full-text.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArticleUrlType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/article-url-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.webLocation.url",
      "path" : "Citation.citedArtifact.webLocation.url",
      "short" : "The specific URL",
      "definition" : "The specific URL.",
      "comment" : "Persistent URLs, like doi, are preferred.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "uri"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification",
      "path" : "Citation.citedArtifact.classification",
      "short" : "The assignment to an organizing scheme",
      "definition" : "The assignment to an organizing scheme.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.type",
      "path" : "Citation.citedArtifact.classification.type",
      "short" : "The kind of classifier (e.g. publication type, keyword)",
      "definition" : "The kind of classifier (e.g. publication type, keyword).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitedArtifactClassificationType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/cited-artifact-classification-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.classification.classifier",
      "path" : "Citation.citedArtifact.classification.classifier",
      "short" : "The specific classification value",
      "definition" : "The specific classification value.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "CitationArtifactClassifier"
        }],
        "strength" : "example",
        "valueSet" : "http://hl7.org/fhir/ValueSet/citation-artifact-classifier"
      }
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified",
      "path" : "Citation.citedArtifact.classification.whoClassified",
      "short" : "Provenance and copyright of classification",
      "definition" : "Provenance and copyright of classification.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.person",
      "path" : "Citation.citedArtifact.classification.whoClassified.person",
      "short" : "Person who created the classification",
      "definition" : "Person who created the classification.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Person",
        "http://hl7.org/fhir/StructureDefinition/Practitioner"]
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.organization",
      "path" : "Citation.citedArtifact.classification.whoClassified.organization",
      "short" : "Organization who created the classification",
      "definition" : "Organization who created the classification.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Organization"]
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.publisher",
      "path" : "Citation.citedArtifact.classification.whoClassified.publisher",
      "short" : "The publisher of the classification, not the publisher of the article or artifact being cited",
      "definition" : "The publisher of the classification, not the publisher of the article or artifact being cited.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Organization"]
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.classifierCopyright",
      "path" : "Citation.citedArtifact.classification.whoClassified.classifierCopyright",
      "short" : "Rights management statement for the classification",
      "definition" : "Rights management statement for the classification.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.classification.whoClassified.freeToShare",
      "path" : "Citation.citedArtifact.classification.whoClassified.freeToShare",
      "short" : "Acceptable to re-use the classification",
      "definition" : "Acceptable to re-use the classification.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship",
      "path" : "Citation.citedArtifact.contributorship",
      "short" : "Attribution of authors and other contributors",
      "definition" : "This element is used to list authors and other contributors, their contact information, specific contributions, and summary statements.",
      "requirements" : "Need to support individualized and collective attribution of authorship and contributorship to people and groups.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.complete",
      "path" : "Citation.citedArtifact.contributorship.complete",
      "short" : "Indicates if the list includes all authors and/or contributors",
      "definition" : "Indicates if the list includes all authors and/or contributors.",
      "comment" : "If list is incomplete \"et al\" can be appended to Contributorship.summary.value for display purposes.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry",
      "path" : "Citation.citedArtifact.contributorship.entry",
      "short" : "An individual entity named in the list",
      "definition" : "An individual entity named in the author list or contributor list.",
      "comment" : "Used to report contributorship in individualized ways.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.name",
      "path" : "Citation.citedArtifact.contributorship.entry.name",
      "short" : "A name associated with the person",
      "definition" : "A name associated with the individual.",
      "comment" : "humanName.family can match MEDLINE-based lastName (used for surname or single name), humanName.given can match MEDLINE-based forename (used for remainder of name except for suffix), humanName.suffix can match MEDLINE-based suffix (eg 2nd, 3rd, Jr, Sr).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "HumanName"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.initials",
      "path" : "Citation.citedArtifact.contributorship.entry.initials",
      "short" : "Initials for forename",
      "definition" : "Initials for forename.",
      "comment" : "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.collectiveName",
      "path" : "Citation.citedArtifact.contributorship.entry.collectiveName",
      "short" : "Used for collective or corporate name as an author",
      "definition" : "Used for collective or corporate name as an author.",
      "comment" : "This element is used in Medline based citations, but not supported fully by FHIR HumanName datatype.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.identifier",
      "path" : "Citation.citedArtifact.contributorship.entry.identifier",
      "short" : "Author identifier, eg ORCID",
      "definition" : "Unique person identifier.",
      "comment" : "Avoids needing to disambiguate common last names or changes of name. ORCID is commonly used as author identifier.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo",
      "short" : "Organizational affiliation",
      "definition" : "Organization affiliated with the entity.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.affiliation",
      "short" : "Display for the organization",
      "definition" : "Display for the organization.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.role",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.role",
      "short" : "Role within the organization, such as professional title",
      "definition" : "Role within the organization, such as professional title.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier",
      "path" : "Citation.citedArtifact.contributorship.entry.affiliationInfo.identifier",
      "short" : "Identifier for the organization",
      "definition" : "Identifier for the organization.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.address",
      "path" : "Citation.citedArtifact.contributorship.entry.address",
      "short" : "Physical mailing address",
      "definition" : "Physical mailing address for the author or contributor.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Address"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.telecom",
      "path" : "Citation.citedArtifact.contributorship.entry.telecom",
      "short" : "Email or telephone contact methods for the author or contributor",
      "definition" : "Email or telephone contact methods for the author or contributor.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactPoint"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionType",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionType",
      "short" : "The specific contribution",
      "definition" : "This element identifies the specific nature of an individual’s contribution with respect to the cited work.",
      "comment" : "The CreDiT taxonomy provides a way to encode contribution information inside article XML files. The purpose of CRediT is to provide transparency in contributions to scholarly published work, to enable improved systems of attribution, credit, and accountability.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactContributionType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-contribution-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.role",
      "path" : "Citation.citedArtifact.contributorship.entry.role",
      "short" : "The role of the contributor (e.g. author, editor, reviewer)",
      "definition" : "The role of the contributor (e.g. author, editor, reviewer).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorRole"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-role"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance",
      "short" : "Contributions with accounting for time or number",
      "definition" : "Contributions with accounting for time or number.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.type",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.type",
      "short" : "The specific contribution",
      "definition" : "The specific contribution.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ArtifactContributionInstanceType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/artifact-contribution-instance-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.contributionInstance.time",
      "path" : "Citation.citedArtifact.contributorship.entry.contributionInstance.time",
      "short" : "The time that the contribution was made",
      "definition" : "The time that the contribution was made.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.correspondingContact",
      "path" : "Citation.citedArtifact.contributorship.entry.correspondingContact",
      "short" : "Indication of which contributor is the corresponding contributor for the role",
      "definition" : "Indication of which contributor is the corresponding contributor for the role.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.entry.listOrder",
      "path" : "Citation.citedArtifact.contributorship.entry.listOrder",
      "short" : "Used to code order of authors",
      "definition" : "Used to code order of authors.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "positiveInt"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary",
      "path" : "Citation.citedArtifact.contributorship.summary",
      "short" : "Used to record a display of the author/contributor list without separate coding for each list member",
      "definition" : "Used to record a display of the author/contributor list without separate coding for each list member.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "BackboneElement"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.type",
      "path" : "Citation.citedArtifact.contributorship.summary.type",
      "short" : "Either authorList or contributorshipStatement",
      "definition" : "Used most commonly to express an author list or a contributorship statement.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorSummaryType"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-summary-type"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.style",
      "path" : "Citation.citedArtifact.contributorship.summary.style",
      "short" : "The format for the display string",
      "definition" : "The format for the display string.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorSummaryStyle"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-summary-style"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.source",
      "path" : "Citation.citedArtifact.contributorship.summary.source",
      "short" : "Used to code the producer or rule for creating the display string",
      "definition" : "Used to code the producer or rule for creating the display string.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "ContributorSummarySource"
        }],
        "strength" : "extensible",
        "valueSet" : "http://hl7.org/fhir/ValueSet/contributor-summary-source"
      }
    },
    {
      "id" : "Citation.citedArtifact.contributorship.summary.value",
      "path" : "Citation.citedArtifact.contributorship.summary.value",
      "short" : "The display string for the author list, contributor list, or contributorship statement",
      "definition" : "The display string for the author list, contributor list, or contributorship statement.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "Citation.citedArtifact.note",
      "path" : "Citation.citedArtifact.note",
      "short" : "Any additional information or content for the article or artifact",
      "definition" : "Any additional information or content for the article or artifact.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Annotation"
      }],
      "mustSupport" : false,
      "isModifier" : false,
      "isSummary" : false
    }]
  }
}

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.