f:Encounter extension with URL = 'https://elga.moped.at/StructureDefinition/moped-ext-unfalldatum': maximum cardinality of 'extension' is 0 extension with URL = 'https://elga.moped.at/StructureDefinition/moped-ext-altersgruppe': maximum cardinality of 'extension' is 1 f:Encounter/f:admission extension with URL = 'https://elga.moped.at/StructureDefinition/moped-ext-aufnahmeart': maximum cardinality of 'extension' is 1 extension with URL = 'http://hl7.org/fhir/StructureDefinition/encounter-modeOfArrival': maximum cardinality of 'extension' is 1