f:Identifier period: maximum cardinality of 'period' is 0 assigner: maximum cardinality of 'assigner' is 0 f:Identifier/f:type id: maximum cardinality of 'id' is 0 text: maximum cardinality of 'text' is 1 f:Identifier/f:type/f:coding id: maximum cardinality of 'id' is 0 system: minimum cardinality of 'system' is 1 system: maximum cardinality of 'system' is 1 version: maximum cardinality of 'version' is 0 code: minimum cardinality of 'code' is 1 code: maximum cardinality of 'code' is 1 display: minimum cardinality of 'display' is 1 display: maximum cardinality of 'display' is 1 userSelected: maximum cardinality of 'userSelected' is 0