protected function addRespondentGroup(\Gems_Model_Bridge_ThreeColumnTableBridge $bridge, \MUtil_Model_ModelAbstract $model, \Gems_Menu_MenuList $links)
    {
        $item = $this->menu->findAllowedController('respondent', 'show');
        if ($item) {
            $href = $item->toHRefAttribute($bridge, $this->request);
            $model->set('gr2o_patient_nr', 'itemDisplay', \MUtil_Html::create('a', $href));
        }
        // ThreeColumnTableBridge->add()
        $bridge->add('gr2o_patient_nr');
        if (! $this->currentUser->isFieldMaskedWhole('respondent_name')) {
            $bridge->add('respondent_name');
        }


        return true;
    }