 		</div>
 		<div class="form-group">
 			<label for="Source">Source</label>
-			<input id="Source" class="form-control" type="text" disabled value="{{resource.resourceJson.informationSource.display}}">
+			<input id="Source" class="form-control" type="text" disabled value="{{resource.resourceJson.informationSource?.display}}">
 		</div>
     </div>
   </div>

		</div>
        <div class="form-group">
			<label for="Place">Place</label>
			<input id="Place" class="form-control" type="text" disabled value="{{resource.resourceJson.serviceProvider.display}}">
		</div>
    </div>
  </div>

        <label for="Date">Date</label>
        <input id="Date" class="form-control" type="text" disabled value="{{resource.resourceJson.period.start | date:''dd/MM/y''}}">
      </div>
      <div class="form-group" *ngIf="resource.resourceJson.participant!=null">
        <label for="Practitioner">Practitioner</label>
        <input id="Practitioner" class="form-control" type="text" disabled value="{{resource.resourceJson.participant[0].individual.display}}">
      </div>
