public ActionForward addCandidacyReferee(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
HttpServletResponse response) {
final PhdProgramCandidacyProcessBean bean = getCandidacyBean();
bean.addCandidacyReferee(new PhdCandidacyRefereeBean());
request.setAttribute("candidacyBean", bean);
RenderUtils.invalidateViewState();
return mapping.findForward("createCandidacyStepTwo");