@RequestMapping(value = URL_AJAX_GET_TEACHERS)
    public @ResponseBody List<TeacherDTO> getTeacherSelect(
            @RequestParam(value = JSP_INPUT_CHECKBOX, required = false) String branch) {
        int intBranch = Integer.parseInt(branch);
        if (intBranch == JSP_INPUT_CHECKBOX_CHECKED) {
            return groupService.getAllTeachers();
        } else {
            return groupService.getNotCurators();
        }
    }