@RequestParam(value="encounterModifiedTimestamp", required=false) Long encounterModifiedTimestamp,
@RequestParam(value="hasChangedInd", required=false) String hasChangedInd) throws Exception {
long ts = System.currentTimeMillis();
Mode mode = Mode.VIEW;
Integer personId = null;
if (StringUtils.hasText(request.getParameter("personId"))) {
personId = Integer.valueOf(request.getParameter("personId"));