protected void waitForDateRangeToLoad() {
   this.setElements(
           this.dateRangeDischargeVisitRadio,
           this.dateRangeSurveyReturnRadio,
           this.dateRangeFromSpan,
           this.dateRangeToSpan,
           this.dateRangeGroupBySelect,
           this.dateRangeFromMonthSelect,
           this.dateRangeFromYearSelect,
           this.dateRangeToMonthSelect,
           this.dateRangeToYearSelect)
       .byId(
           true,
           appProps.getPE_ELEMENT_ID_DATE_RANGE_DISCHARGE_VISIT_RADIO(),
           appProps.getPE_ELEMENT_ID_DATE_RANGE_SURVEY_RETURN_RADIO(),
           appProps.getPE_ELEMENT_ID_DATE_RANGE_FROM_SPAN(),
           appProps.getPE_ELEMENT_ID_DATE_RANGE_TO_SPAN(),
           appProps.getPE_ELEMENT_ID_GROUP_BY_SELECT())
       .byId(
           false,
           appProps.getPE_ELEMENT_ID_DATE_RANGE_FROM_MONTH_SELECT(),
           appProps.getPE_ELEMENT_ID_DATE_RANGE_FROM_YEAR_SELECT(),
           appProps.getPE_ELEMENT_ID_DATE_RANGE_TO_MONTH_SELECT(),
           appProps.getPE_ELEMENT_ID_DATE_RANGE_TO_YEAR_SELECT());
 }