f:DocumentReference extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-chart-sharing-group': maximum cardinality of 'extension' is 1 extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-practice': minimum cardinality of 'extension' is 1 extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-practice': maximum cardinality of 'extension' is 1 extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-published-date-time-to-portal': maximum cardinality of 'extension' is 1 masterIdentifier: maximum cardinality of 'masterIdentifier' is 0 authenticator: maximum cardinality of 'authenticator' is 0 relatesTo: maximum cardinality of 'relatesTo' is 0 description: maximum cardinality of 'description' is 0 securityLabel: maximum cardinality of 'securityLabel' is 0 f:DocumentReference/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:DocumentReference/f:context event: maximum cardinality of 'event' is 0 facilityType: maximum cardinality of 'facilityType' is 0 practiceSetting: maximum cardinality of 'practiceSetting' is 0 sourcePatientInfo: maximum cardinality of 'sourcePatientInfo' is 0 related: maximum cardinality of 'related' is 0