anchor.diff:  	var prefIdentifierElementId = null;
   	var numberOfClonedElements = 0;
   	var idTypeLocationRequired = {};
  +	var currentIdentifierCount = ${fn:length(patientModel.identifiers)};
   	<c:forEach items="${identifierTypes}" var="idType">
   		idTypeLocationRequired[${idType.patientIdentifierTypeId}] = ${idType.locationBehavior == null || idType.locationBehavior == "REQUIRED"};
   	</c:forEach>
  
positive.code: 		if(checkBoxId && document.getElementById(checkBoxId)){
  			document.getElementById(checkBoxId).checked = true;
  			document.getElementById(checkBoxId).value = true;
  		}
  	}
  	
  
negative.code: 		var tbody = document.getElementById('identifiersTbody');
  		var row = document.getElementById('newIdentifierRow');
  		var newrow = row.cloneNode(true);
  		
  		newrow.style.display = "";		
  		newrow.id = 'identifiers[' + index + ']';
  		tbody.appendChild(newrow);
  