public function getOrganizationType($con = null)
 {
     if ($this->aOrganizationType === null && $this->organization_type_id !== null) {
         include_once 'lib/model/om/BaseOrganizationTypePeer.php';
         $this->aOrganizationType = OrganizationTypePeer::retrieveByPK($this->organization_type_id, $con);
     }
     return $this->aOrganizationType;
 }