f:PractitionerRole
extension with URL = 'http://hl7.org.nz/fhir/StructureDefinition/practitionerRole-creator': maximum cardinality of 'extension' is 1
extension with URL = 'http://hl7.org.nz/fhir/StructureDefinition/practitionerRole-status-reason': maximum cardinality of 'extension' is 1