protected function saveTo($fromOrgId, $fromRespId, $toOrgId, $toPatientId)
    {
        $model = $this->getModel();
        try {
            $model->move($fromOrgId, $fromRespId, $toOrgId, $toPatientId);    
        } catch (\Exception $exc) {
            $this->addMessage($exc->getMessage());
            return 0;
        }        
        
        return $model->getChanged();
    }