f:Immunization 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 recorded: maximum cardinality of 'recorded' is 0 reportOrigin: maximum cardinality of 'reportOrigin' is 0 location: maximum cardinality of 'location' is 0 performer: maximum cardinality of 'performer' is 0 reasonCode: maximum cardinality of 'reasonCode' is 0 reasonReference: maximum cardinality of 'reasonReference' is 0 education: maximum cardinality of 'education' is 0 programEligibility: maximum cardinality of 'programEligibility' is 0 reaction: maximum cardinality of 'reaction' is 0 protocolApplied: maximum cardinality of 'protocolApplied' is 0 f:Immunization/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