f:Encounter priority: minimum cardinality of 'priority' is 1 subject: minimum cardinality of 'subject' is 1 period: minimum cardinality of 'period' is 1 reasonReference: maximum cardinality of 'reasonReference' is 1 serviceProvider: minimum cardinality of 'serviceProvider' is 1 f:Encounter/f:participant type: minimum cardinality of 'type' is 1 f:Encounter/f:diagnosis use: minimum cardinality of 'use' is 1 f:Encounter/f:hospitalization admitSource: minimum cardinality of 'admitSource' is 1 dischargeDisposition: minimum cardinality of 'dischargeDisposition' is 1