[1] JPS Hlth Network, Dept Emergency Med, 1500 S Main St, Ft Worth, TX 76104 USA
[2] Univ North Texas, Coll Pharm, Texas Ctr Hlth Dispar, Dept Pharmacotherapy,Hlth Sci Ctr, Ft Worth, TX USA
[3] West Virginia Univ, Sch Dent, Dept Dent Publ Hlth & Profess Practice, Morgantown, WV USA
[4] Penn State Coll Med, Dept Hlth Serv Res, Hershey, PA USA