description: 'Extension to provide information on who the author is of the MedicationStatement. ' package_name: PGO.02 derivation: constraint name: Zib MedicationUse Author type: Extension elements: url: pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/zib-MedicationUse-Author'} index: 0 value: choices: [valueReference, valueReference, valueReference, valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['http://fhir.nl/fhir/StructureDefinition/nl-core-practitionerrole'] index: 3 package_version: 1.02.1 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/zib-MedicationUse-Author base: http://hl7.org/fhir/StructureDefinition/Extension version: '2.0'