[

     {
        "date": "2016-02-12T20:30:00",
        "duration": 60,
        "supervisor": {
           "name": "Anna",
           "surname": "Nowak",
           "supervision_fee": "140.00"
         }
      }
]

<select name="meetingSelect" ng-model="meeting.active" ng-options="meeting.id as meeting.date|date:'dd.MM.yy' + ' '+ meeting.supervisor.name + ' '+meeting.supervisor.surname for meeting in scheduledMeetings" ng-change="" class="form-control"></select>