Profile Comparison between http://hl7.org/fhir/uv/ebm/StructureDefinition/systematic-review vs http://hl7.org/fhir/uv/ebm/StructureDefinition/systematic-review

Left:SystematicReview (http://hl7.org/fhir/uv/ebm/StructureDefinition/systematic-review)
Right:SystematicReview (http://hl7.org/fhir/uv/ebm/StructureDefinition/systematic-review)

Messages

ErrorStructureDefinition.versionValues for version differ: '1.0.0-ballot2' vs '1.0.0-ballot3'
InformationStructureDefinition.statusValues for status differ: 'draft' vs 'active'
InformationStructureDefinition.dateValues for date differ: '2025-03-28T17:11:38+00:00' vs '2026-09-10T16:38:22+00:00'
WarningStructureDefinition.fhirVersionValues for fhirVersion differ: '6.0.0-ballot2' vs '6.0.0-ballot5'
InformationStructureDefinition.definitionValues for definition differ: 'A scientific study of nature that sometimes includes processes involved in health and disease. For example, clinical trials are research studies that involve people. These studies may be related to new ways to screen, prevent, diagnose, and treat disease. They may also study certain outcomes and certain groups of people by looking at data collected in the past or future.' vs 'A research study is a scientific investigation designed to generate health-related knowledge. This can include clinical trials involving human participants (or animals in the case of veterinary clinical trials). These studies may be related to new ways to screen, prevent, diagnose, and treat disease. Research studies may also analyze data collected from individuals in the past (retrospective studies) or future (prospective studies) to understand specific outcomes or trends in particular populations.'
InformationStructureDefinition.commentValues for comment differ: 'Need to make sure we encompass public health studies.' vs 'The ResearchStudy Resource may be used for any type of research study, such as public health studies evaluating populations or systematic reviews evaluating research studies, and is not limited to clinical trials or limited to studies of individual people.'
InformationStructureDefinition.commentValues for comment differ: 'Within the context of the FHIR RESTful interactions, the resource has an id except for cases like the create and conditional update. Otherwise, the use of the resouce id depends on the given use case.' vs 'Within the context of the FHIR RESTful interactions, the resource has an id except for cases like the create and conditional update. Otherwise, the use of the resource id depends on the given use case.'
InformationStructureDefinition.definitionValues for definition differ: '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.' vs '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. For DomainResources, if more than one implicitRules policy applies, additional policies may be conveyed using the [additionalImplicitRules](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-additionalImplicitRules.html) extension.'
InformationStructureDefinition.commentValues for comment differ: '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.' vs '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. Contained resources may be a resource type defined in the FHIR specification, or an [additional resource](http://build.fhir.org/resource.html#additional).'
InformationStructureDefinition.shortValues for short differ: 'Extension' vs 'Additional content defined by implementations'
InformationStructureDefinition.definitionValues for definition differ: 'An Extension' vs '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 managable, 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.'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationStructureDefinition.shortValues for short differ: 'n-a | early-phase-1 | phase-1 | phase-1-phase-2 | phase-2 | phase-2-phase-3 | phase-3 | phase-4' vs 'Classifier used for clinical trials'
InformationResearchStudy.phaseExample/preferred bindings differ at ResearchStudy.phase using binding from SystematicReview
InformationResearchStudy.studyDesignExample/preferred bindings differ at ResearchStudy.studyDesign using binding from SystematicReview
InformationStructureDefinition.definitionValues for definition differ: 'The condition that is the focus of the study. For example, In a study to examine risk factors for Lupus, might have as an inclusion criterion 'healthy volunteer', but the target condition code would be a Lupus SNOMED code.' vs 'The condition that is the focus of the study. For example, In a study to examine risk factors for Lupus, might have as an inclusion criterion 'healthy volunteer', but the target condition code would be a Lupus SNOMED code.'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationStructureDefinition.shortValues for short differ: 'sponsor | lead-sponsor | sponsor-investigator | primary-investigator | collaborator | funding-source | general-contact | recruitment-contact | sub-investigator | study-director | study-chair' vs 'sponsor | lead-sponsor | sponsor-investigator | primary-investigator | collaborator | funding-source | general-contact | recruitment-contact | sub-investigator | study-chair | irb | data-monitoring'
InformationStructureDefinition.shortValues for short differ: 'Status of study with time for that status' vs 'Dates for status changes for the conduct of the study, or study registry and administrative actions'
InformationStructureDefinition.definitionValues for definition differ: 'Status of study with time for that status.' vs 'Dates for status changes for the conduct of the study, or study registry and administrative actions.'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationStructureDefinition.definitionValues for definition differ: 'Inclusion and exclusion criteria.' vs 'Inclusion and exclusion criteria. The referenced Group Resource should have a membership element value of either 'definitional' or 'conceptual'.'
InformationStructureDefinition.definitionValues for definition differ: 'Group of participants who were enrolled in study.' vs 'Group of participants who were enrolled in study. The referenced Group Resource should have a membership element value of 'enumerated'.'
InformationStructureDefinition.shortValues for short differ: 'Extension' vs 'Additional content defined by implementations'
InformationStructureDefinition.definitionValues for definition differ: 'An Extension' vs '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 managable, 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.'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationStructureDefinition.shortValues for short differ: 'Label for study comparisonGroup' vs 'A simple label for the comparison Group'
InformationStructureDefinition.definitionValues for definition differ: 'Unique, human-readable label for this comparisonGroup of the study.' vs 'A simple label for the comparison Group.'
InformationResearchStudy.comparisonGroup.nameElement minimum cardinalities differ: '1' vs '0'
InformationStructureDefinition.shortValues for short differ: 'Short explanation of study path' vs 'Description of the comparison Group'
InformationStructureDefinition.definitionValues for definition differ: 'A succinct description of the path through the study that would be followed by a subject adhering to this comparisonGroup.' vs 'Description of the comparison Group.'
InformationStructureDefinition.shortValues for short differ: 'Group of participants who were enrolled in study comparisonGroup' vs 'Group of participants who were enrolled in the comparison group'
InformationStructureDefinition.definitionValues for definition differ: 'Group of participants who were enrolled in study comparisonGroup.' vs 'Group of participants who were enrolled in the comparison group as a subset of those enrolled in the overall study. The referenced Group Resource should have a membership element value of 'enumerated'.'
InformationStructureDefinition.shortValues for short differ: 'Extension' vs 'Additional content defined by implementations'
InformationStructureDefinition.definitionValues for definition differ: 'An Extension' vs '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 managable, 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.'
InformationStructureDefinition.requirementsValues for requirements differ: '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](http://hl7.org/fhir/6.0.0-ballot2/extensibility.html#modifierExtension).' vs '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](http://build.fhir.org/extensibility.html#modifierExtension).'
InformationResearchStudy.objective.typeExample/preferred bindings differ at ResearchStudy.objective.type using binding from SystematicReview
InformationStructureDefinition.definitionValues for definition differ: 'Free text description of the objective of the study. This is what the study is trying to achieve rather than how it is going to achieve it (see ResearchStudy.description).' vs 'Free text description of the objective of the study. This is what the study is trying to achieve rather than how it is going to achieve it (see ResearchStudy.description).'
InformationStructureDefinition.definitionValues for definition differ: 'Link to one or more sets of results generated by the study. Could also link to a research registry holding the results such as ClinicalTrials.gov.' vs 'Link to one or more sets of results generated by the study. Could also link to a research registry holding the results such as ClinicalTrials.gov.'
ErrorResearchStudy.resultType Mismatch: Reference([CanonicalType[http://hl7.org/fhir/StructureDefinition/Citation], CanonicalType[http://hl7.org/fhir/StructureDefinition/Composition], CanonicalType[http://hl7.org/fhir/StructureDefinition/DiagnosticReport]]) vs Reference([CanonicalType[http://hl7.org/fhir/StructureDefinition/Composition|6.0.0-ballot5], CanonicalType[http://hl7.org/fhir/StructureDefinition/DiagnosticReport|6.0.0-ballot5], CanonicalType[http://hl7.org/fhir/StructureDefinition/DocumentReference|6.0.0-ballot5], CanonicalType[http://hl7.org/fhir/StructureDefinition/Evidence|6.0.0-ballot5]])

Metadata

NameValueComments
.abstractfalse
    .baseDefinitionhttp://hl7.org/fhir/StructureDefinition/ResearchStudy
      .copyright
        .date2025-03-28T17:11:38+00:002026-09-10T16:38:22+00:00
        • Values Differ
        .descriptionProfile of ResearchStudy for Evidence Based Medicine IG. The SystematicReview Profile is used for a scientific study based on a protocol that includes search and selection of eligible studies, study quality assessment, data extraction, and synthesis.
          .experimental
            .fhirVersion6.0.0-ballot26.0.0-ballot5
            • Values Differ
            .jurisdiction
              ..jurisdiction[0]http://unstats.un.org/unsd/methods/m49/m49.htm#001
                .kindresource
                  .nameSystematicReview
                    .publisherHL7 International / Clinical Decision Support
                      .purpose
                        .statusdraftactive
                        • Values Differ
                        .title
                          .typeResearchStudy
                            .urlhttp://hl7.org/fhir/uv/ebm/StructureDefinition/systematic-review
                              .version1.0.0-ballot21.0.0-ballot3
                              • Values Differ

                              Structure

                              NameL FlagsL Card.L TypeL Description & ConstraintsR FlagsR Card.R TypeR Description & ConstraintsCommentsdoco
                              .. ResearchStudy 0..*ResearchStudyInvestigation to increase healthcare-related patient-independent knowledge
                              0..*ResearchStudyInvestigation to increase healthcare-related patient-independent knowledge
                                ... id Σ0..1idLogical id of this artifactΣ0..1idLogical id of this artifact
                                  ... meta Σ0..1MetaMetadata about the resourceΣ0..1MetaMetadata about the resource
                                    ... implicitRules ?!Σ0..1uriA set of rules under which this content was created?!Σ0..1uriA set of rules under which this content was created
                                      ... language 0..1codeLanguage of the resource content
                                      Binding: ?? (required): IETF language tag for a human language
                                      Additional BindingsPurpose
                                      ??Starter
                                      0..1codeLanguage of the resource content
                                      Binding: ?? (required): IETF language tag for a human language
                                      Additional BindingsPurpose
                                      ??Starter
                                        ... text 0..1NarrativeText summary of the resource, for human interpretation
                                        This profile does not constrain the narrative in regard to content, language, or traceability to data elements
                                        0..1NarrativeText summary of the resource, for human interpretation
                                        This profile does not constrain the narrative in regard to content, language, or traceability to data elements
                                          ... contained 0..*ResourceContained, inline Resources
                                          0..*ResourceContained, inline Resources
                                            ... Slices for extension 0..*ExtensionExtension
                                            Slice: Unordered, Open by value:url
                                            0..*ExtensionAdditional content defined by implementations
                                            Slice: Unordered, Open by value:url
                                              ... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored
                                              ?!Σ0..*ExtensionExtensions that cannot be ignored
                                              Slice: Unordered, Open by value:url
                                                ... url 0..1uriCanonical identifier for this study resource0..1uriCanonical identifier for this study resource
                                                  ... identifier Σ0..*IdentifierBusiness Identifier for study
                                                  Σ0..*IdentifierBusiness Identifier for study
                                                    ... version 0..1stringThe business version for the study record0..1stringThe business version for the study record
                                                      ... name 0..1stringName for this study (computer friendly)0..1stringName for this study (computer friendly)
                                                        ... title Σ0..1stringHuman readable name of the studyΣ0..1stringHuman readable name of the study
                                                          ... label 0..*BackboneElementAdditional names for the study
                                                          0..*BackboneElementAdditional names for the study
                                                            .... id 0..1stringUnique id for inter-element referencing0..1stringUnique id for inter-element referencing
                                                              .... extension 0..*ExtensionAdditional content defined by implementations
                                                              0..*ExtensionAdditional content defined by implementations
                                                              Slice: Unordered, Open by value:url
                                                                .... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                Slice: Unordered, Open by value:url
                                                                  .... type 0..1CodeableConceptprimary | official | scientific | plain-language | subtitle | short-title | acronym | earlier-title | language | auto-translated | human-use | machine-use | duplicate-uid
                                                                  Binding: ?? (extensible): desc.
                                                                  0..1CodeableConceptprimary | official | scientific | plain-language | subtitle | short-title | acronym | earlier-title | language | auto-translated | human-use | machine-use | duplicate-uid
                                                                  Binding: ?? (preferred): desc.
                                                                    .... value 0..1stringThe name0..1stringThe name
                                                                      .... language 0..1codeUsed to express the specific language
                                                                      Binding: ?? (required): IETF language tag for a human language
                                                                      Additional BindingsPurpose
                                                                      ??Starter
                                                                      • Added this element
                                                                      ... protocol Σ0..*Reference(PlanDefinition)Steps followed in executing study
                                                                      Σ0..*Reference(PlanDefinition)Steps followed in executing study
                                                                        ... partOf Σ0..*Reference(ResearchStudy)Part of larger study
                                                                        Σ0..*Reference(ResearchStudy)Part of larger study
                                                                          ... relatedArtifact 0..*RelatedArtifactReferences, URLs, and attachments
                                                                          • Removed this element
                                                                          ... date 0..1dateTimeDate the resource last changed0..1dateTimeDate the resource last changed
                                                                            ... status ?!Σ1..1codedraft | active | retired | unknown
                                                                            Binding: ?? (required): Codes that convey the current publication status of the research study resource.
                                                                            ?!Σ1..1codedraft | active | retired | unknown
                                                                            Binding: ?? (required): Codes that convey the current publication status of the research study resource.
                                                                              ... primaryPurposeType Σ0..1CodeableConcepttreatment | prevention | diagnostic | supportive-care | screening | health-services-research | basic-science | device-feasibility
                                                                              Binding: ?? (preferred): Codes for the main intent of the study.
                                                                              • Removed this element
                                                                              ... phase Σ0..0n-a | early-phase-1 | phase-1 | phase-1-phase-2 | phase-2 | phase-2-phase-3 | phase-3 | phase-4
                                                                              Binding: ?? (example): Codes for the stage in the progression of a therapy from initial experimental use in humans in clinical trials to post-market evaluation.
                                                                              Σ0..0Classifier used for clinical trials
                                                                              Binding: ?? (preferred): Classifiers of clinical trial progression for human use.
                                                                              • Example/preferred bindings differ at ResearchStudy.phase using binding from SystematicReview
                                                                              ... studyDesign Σ0..*CodeableConceptClassifications of the study design characteristics
                                                                              Binding: ?? (preferred): This is a set of terms for study design characteristics.
                                                                              Σ0..*CodeableConceptClassifications of the study design characteristics
                                                                              Binding: ?? (preferred): This is a set of terms for study design characteristics.
                                                                              • Example/preferred bindings differ at ResearchStudy.studyDesign using binding from SystematicReview
                                                                              ... focus 0..*CodeableReference(Medication | MedicinalProductDefinition | SubstanceDefinition | EvidenceVariable)Drugs, devices, etc. under study
                                                                              Binding: ?? (example): Common codes of research study focus
                                                                              0..*CodeableReference(Medication | MedicinalProductDefinition | SubstanceDefinition | DeviceDefinition | PlanDefinition)Drugs, devices, etc. under study
                                                                              Binding: ?? (example): Some example codes of research study focus
                                                                                ... condition Σ0..*CodeableConceptCondition being studied
                                                                                Binding: ?? (example): Identification of the condition or diagnosis.
                                                                                Σ0..*CodeableConceptCondition being studied
                                                                                Binding: ?? (example): Identification of the condition or diagnosis.
                                                                                  ... keyword Σ0..*CodeableConceptUsed to search for the study
                                                                                  Binding Description: (example): Words associated with the study that may be useful in discovery.
                                                                                  Σ0..*CodeableConceptUsed to search for the study
                                                                                  Binding: ?? (example): Some example codes.
                                                                                    ... region Σ0..*CodeableConceptGeographic area for the study
                                                                                    Binding: ?? (extensible): Countries and regions within which this artifact is targeted for use.
                                                                                    Σ0..*CodeableConceptGeographic area for the study
                                                                                    Binding: ?? (preferred): Countries and regions within which this artifact is targeted for use.
                                                                                      ... descriptionSummary 0..1markdownBrief text explaining the study0..1markdownBrief text explaining the study
                                                                                        ... description 0..1markdownDetailed narrative of the study0..1markdownDetailed narrative of the study
                                                                                          ... period Σ0..1PeriodWhen the study began and endedΣ0..1PeriodWhen the study began and ended
                                                                                            ... site Σ0..*Reference(Location | ResearchStudy | Organization)Facility where study activities are conducted
                                                                                            Σ0..*Reference(Location | ResearchStudy | Organization)Facility where study activities are conducted
                                                                                              ... note 0..*AnnotationComments made about the study
                                                                                              0..*AnnotationComments made about the study
                                                                                                ... classifier 0..*CodeableConceptClassification for the study
                                                                                                Binding: ?? (example): desc.
                                                                                                0..*CodeableConceptClassification for the study
                                                                                                Binding: ?? (example): desc.
                                                                                                  ... associatedParty 0..*BackboneElementSponsors, collaborators, and other parties
                                                                                                  0..*BackboneElementSponsors, collaborators, and other parties
                                                                                                    .... id 0..1stringUnique id for inter-element referencing0..1stringUnique id for inter-element referencing
                                                                                                      .... extension 0..*ExtensionAdditional content defined by implementations
                                                                                                      0..*ExtensionAdditional content defined by implementations
                                                                                                      Slice: Unordered, Open by value:url
                                                                                                        .... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                        ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                        Slice: Unordered, Open by value:url
                                                                                                          .... name 0..1stringName of associated party0..1stringName of associated party
                                                                                                            .... role 1..1CodeableConceptsponsor | lead-sponsor | sponsor-investigator | primary-investigator | collaborator | funding-source | general-contact | recruitment-contact | sub-investigator | study-director | study-chair
                                                                                                            Binding: ?? (extensible): desc.
                                                                                                            1..1CodeableConceptsponsor | lead-sponsor | sponsor-investigator | primary-investigator | collaborator | funding-source | general-contact | recruitment-contact | sub-investigator | study-chair | irb | data-monitoring
                                                                                                            Binding: ?? (preferred): This is a ResearchStudy's party role.
                                                                                                              .... period 0..*PeriodWhen active in the role
                                                                                                              0..*PeriodWhen active in the role
                                                                                                                .... classifier 0..*CodeableConceptnih | fda | government | nonprofit | academic | industry
                                                                                                                Binding: ?? (example): A characterization or type of the entity.
                                                                                                                0..*CodeableConceptnih | fda | government | nonprofit | academic | industry
                                                                                                                Binding: ?? (example): A characterization or type of the entity.
                                                                                                                  .... party 0..1Reference(Practitioner | PractitionerRole | Organization)Individual or organization associated with study (use practitionerRole to specify their organisation)0..1Reference(Practitioner | PractitionerRole | Organization)Individual or organization associated with study (use practitionerRole to specify their organisation)
                                                                                                                    ... progressStatus 0..*BackboneElementStatus of study with time for that status
                                                                                                                    0..*BackboneElementDates for status changes for the conduct of the study, or study registry and administrative actions
                                                                                                                      .... id 0..1stringUnique id for inter-element referencing0..1stringUnique id for inter-element referencing
                                                                                                                        .... extension 0..*ExtensionAdditional content defined by implementations
                                                                                                                        0..*ExtensionAdditional content defined by implementations
                                                                                                                        Slice: Unordered, Open by value:url
                                                                                                                          .... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                          ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                          Slice: Unordered, Open by value:url
                                                                                                                            .... state 1..1CodeableConceptLabel for status or state (e.g. recruitment status)
                                                                                                                            Binding: ?? (extensible): defn.
                                                                                                                            1..1CodeableConceptLabel for status or state (e.g. recruitment status)
                                                                                                                            Binding: ?? (preferred): Codes that convey the current status of the research study.
                                                                                                                              .... actual 0..1booleanActual if true else anticipated0..1booleanActual if true else anticipated
                                                                                                                                .... period 0..1PeriodDate range0..1PeriodDate range
                                                                                                                                  ... whyStopped Σ0..1CodeableConceptaccrual-goal-met | closed-due-to-toxicity | closed-due-to-lack-of-study-progress | temporarily-closed-per-study-design
                                                                                                                                  Binding: ?? (example): Codes for why the study ended prematurely.
                                                                                                                                  Σ0..1CodeableConceptaccrual-goal-met | closed-due-to-toxicity | closed-due-to-lack-of-study-progress | temporarily-closed-per-study-design
                                                                                                                                  Binding: ?? (example): Codes for why the study ended prematurely.
                                                                                                                                    ... recruitment Σ0..0Target or actual group of participants enrolled in studyΣ0..0Target or actual group of participants enrolled in study
                                                                                                                                      .... id 0..1stringUnique id for inter-element referencing0..1stringUnique id for inter-element referencing
                                                                                                                                        .... extension 0..*ExtensionAdditional content defined by implementations
                                                                                                                                        0..*ExtensionAdditional content defined by implementations
                                                                                                                                        Slice: Unordered, Open by value:url
                                                                                                                                          .... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                                          ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                                          Slice: Unordered, Open by value:url
                                                                                                                                            .... targetNumber 0..1unsignedIntEstimated total number of participants to be enrolled0..1unsignedIntEstimated total number of participants to be enrolled
                                                                                                                                              .... actualNumber 0..1unsignedIntActual total number of participants enrolled in study0..1unsignedIntActual total number of participants enrolled in study
                                                                                                                                                .... eligibility 0..1Reference(Group | EvidenceVariable)Inclusion and exclusion criteria0..1Reference(Group)Inclusion and exclusion criteria
                                                                                                                                                  .... actualGroup Σ0..1Reference(Group)Group of participants who were enrolled in studyΣ0..1Reference(Group)Group of participants who were enrolled in study
                                                                                                                                                    .... description 0..1markdownDescription of the recruitment
                                                                                                                                                    • Added this element
                                                                                                                                                    ... comparisonGroup 0..*BackboneElementDefined path through the study for a subject
                                                                                                                                                    0..*BackboneElementDefined path through the study for a subject
                                                                                                                                                      .... id 0..1stringUnique id for inter-element referencing0..1stringUnique id for inter-element referencing
                                                                                                                                                        .... Slices for extension 0..*ExtensionExtension
                                                                                                                                                        Slice: Unordered, Open by value:url
                                                                                                                                                        0..*ExtensionAdditional content defined by implementations
                                                                                                                                                        Slice: Unordered, Open by value:url
                                                                                                                                                          .... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                                                          ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                                                          Slice: Unordered, Open by value:url
                                                                                                                                                            .... linkId 0..1idAllows the comparisonGroup for the study and the comparisonGroup for the subject to be linked easily
                                                                                                                                                            • Removed this element
                                                                                                                                                            .... name 1..1stringLabel for study comparisonGroup0..1stringA simple label for the comparison Group
                                                                                                                                                            • Element minimum cardinalities differ: '1' vs '0'
                                                                                                                                                            .... type 0..1CodeableConceptCategorization of study comparisonGroup
                                                                                                                                                            Binding: ?? (extensible): desc.
                                                                                                                                                            • Removed this element
                                                                                                                                                            .... description 0..1markdownShort explanation of study path0..1markdownDescription of the comparison Group
                                                                                                                                                              .... intendedExposure 0..*Reference(EvidenceVariable)Interventions or exposures in this comparisonGroup or cohort
                                                                                                                                                              • Removed this element
                                                                                                                                                              .... observedGroup 0..1Reference(Group)Group of participants who were enrolled in study comparisonGroup0..1Reference(Group)Group of participants who were enrolled in the comparison group
                                                                                                                                                                .... targetNumber 0..1unsignedIntEstimated total number of participants to be enrolled in the comparison group
                                                                                                                                                                • Added this element
                                                                                                                                                                .... actualNumber 0..1unsignedIntActual total number of participants enrolled in the comparison group
                                                                                                                                                                • Added this element
                                                                                                                                                                .... eligibility 0..1Reference(Group)Inclusion and exclusion criteria for the comparison group
                                                                                                                                                                • Added this element
                                                                                                                                                                ... objective 0..*BackboneElementA goal for the study
                                                                                                                                                                0..*BackboneElementA goal for the study
                                                                                                                                                                  .... id 0..1stringUnique id for inter-element referencing0..1stringUnique id for inter-element referencing
                                                                                                                                                                    .... Slices for extension 0..*ExtensionExtension
                                                                                                                                                                    Slice: Unordered, Open by value:url
                                                                                                                                                                    0..*ExtensionAdditional content defined by implementations
                                                                                                                                                                    Slice: Unordered, Open by value:url
                                                                                                                                                                      .... modifierExtension ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                      ?!Σ0..*ExtensionExtensions that cannot be ignored even if unrecognized
                                                                                                                                                                      Slice: Unordered, Open by value:url
                                                                                                                                                                        .... name 0..1stringLabel for the objective0..1stringLabel for the objective
                                                                                                                                                                          .... type 0..1CodeableConceptprimary | secondary | exploratory
                                                                                                                                                                          Binding: ?? (preferred): Codes for the kind of study objective.
                                                                                                                                                                          0..1CodeableConceptprimary | secondary | exploratory
                                                                                                                                                                          Binding: ?? (preferred): Codes for the kind of study objective.
                                                                                                                                                                          • Example/preferred bindings differ at ResearchStudy.objective.type using binding from SystematicReview
                                                                                                                                                                          .... description 0..1markdownDescription of the objective0..1markdownDescription of the objective
                                                                                                                                                                            .... outcomeMeasure 0..*BackboneElementA variable measured during the study
                                                                                                                                                                            • Added this element
                                                                                                                                                                            ... outcomeMeasure 0..*BackboneElementA variable measured during the study
                                                                                                                                                                            • Removed this element
                                                                                                                                                                            ... result Σ0..*Reference(Citation | Composition | DiagnosticReport)Link to results generated during the study
                                                                                                                                                                            Σ0..*Reference(Composition | DiagnosticReport | DocumentReference | Evidence)Link to results generated during the study
                                                                                                                                                                            • Type Mismatch: Reference([CanonicalType[http://hl7.org/fhir/StructureDefinition/Citation], CanonicalType[http://hl7.org/fhir/StructureDefinition/Composition], CanonicalType[http://hl7.org/fhir/StructureDefinition/DiagnosticReport]]) vs Reference([CanonicalType[http://hl7.org/fhir/StructureDefinition/Composition|6.0.0-ballot5], CanonicalType[http://hl7.org/fhir/StructureDefinition/DiagnosticReport|6.0.0-ballot5], CanonicalType[http://hl7.org/fhir/StructureDefinition/DocumentReference|6.0.0-ballot5], CanonicalType[http://hl7.org/fhir/StructureDefinition/Evidence|6.0.0-ballot5]])
                                                                                                                                                                            ... citeAs 0..1markdownHow to cite this ResearchStudy
                                                                                                                                                                            • Added this element
                                                                                                                                                                            ... relatesTo 0..*BackboneElementRelationships to other Resources
                                                                                                                                                                            • Added this element
                                                                                                                                                                            ... purposeType Σ0..*CodeableConcepttreatment | prevention | diagnostic | supportive-care | screening | health-services-research | basic-science | device-feasibility
                                                                                                                                                                            Binding: ?? (preferred): Codes for the main intent of the study.
                                                                                                                                                                            • Added this element

                                                                                                                                                                            doco Documentation for this format