public static AppointmentEntity bindAppointment(AppointmentDto appointmentDto) {
   AppointmentEntity appointmentEntity = null;
   if (appointmentDto != null) {
     appointmentEntity = new AppointmentEntity();
     appointmentEntity.setAppointmentId(appointmentDto.getAppointmentId());
     appointmentEntity.setPracticeEntity(BindPractice.bindPractice(appointmentDto.getPractice()));
     appointmentEntity.setUserEntity(BindUser.bindUser(appointmentDto.getUser()));
     appointmentEntity.setNoteEntity(BindDataContent.bindDataContent(appointmentDto.getNote()));
     appointmentEntity.setExpectedFrm(appointmentDto.getExpectedFrm());
     appointmentEntity.setExpectedTo(appointmentDto.getExpectedTo());
     appointmentEntity.setActualFrm(appointmentDto.getActualFrm());
     appointmentEntity.setActualTo(appointmentDto.getActualTo());
   }
   return appointmentEntity;
 }