f:Patient extension with URL = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-race': maximum cardinality of 'extension' is 1 extension with URL = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-ethnicity': maximum cardinality of 'extension' is 1 extension with URL = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-birthsex': maximum cardinality of 'extension' is 1 extension with URL = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex': maximum cardinality of 'extension' is 1 extension with URL = 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-genderIdentity': maximum cardinality of 'extension' is 1 multipleBirth[x]: maximum cardinality of 'multipleBirth[x]' is 0 photo: maximum cardinality of 'photo' is 0 generalPractitioner: maximum cardinality of 'generalPractitioner' is 0 managingOrganization: maximum cardinality of 'managingOrganization' is 0 f:Patient/f:meta id: maximum cardinality of 'id' is 1 versionId: maximum cardinality of 'versionId' is 1 lastUpdated: maximum cardinality of 'lastUpdated' is 1 source: maximum cardinality of 'source' is 1 f:Patient/f:communication preferred: maximum cardinality of 'preferred' is 0