public function ajaxCurrentPatientStationAction()
{
$personId = (int) $this->_getParam('personId');
$routing = new Routing();
$routeIter = $routing->getIterator();
$routeIter->setFilter(array('personId' => $personId));
$routing = $routeIter->current();
$json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
$json->suppressExit = true;
$json->direct(array($routing->stationId));
}