El clasificado no es valido<br>
SELECT ap.*,
   	   CONCAT(a.firstname,' ',a.lastname) username,
   	   a.subdomain,
   	   CONCAT(aau.firstname,' ',aau.lastname) anonymous_username,
   	   a.seekemploy,
   	   a.regsess,
   	   a.hide_profile,
   	   DATE_FORMAT(ap.publish_date,'%b %e, %Y at %H:%s') formated_publish_date
FROM events_post ap
LEFT JOIN assistants a ON a.assist_id=ap.user_id
LEFT JOIN events_anonymous_user aau ON aau.user_id=ap.anonymous_user_id
WHERE id=400