-$bookmarkservice = & ServiceFactory::getServiceInstance('BookmarkService');
-$templateservice = & ServiceFactory::getServiceInstance('TemplateService');
-$userservice = & ServiceFactory::getServiceInstance('UserService');
+$bookmarkservice =& ServiceFactory::getServiceInstance('BookmarkService');
+$templateservice =& ServiceFactory::getServiceInstance('TemplateService');
+$userservice =& ServiceFactory::getServiceInstance('UserService');