[1] Yale Sch Med, Dept Emergency Med, 464 Congress Ave, New Haven, CT 06519 USA
[2] Yale Med, Dept Internal Med, New Haven, CT USA
[3] Yale Sch Publ Hlth, New Haven, CT USA
[4] Yale Sch Med, Dept Psychiat, New Haven, CT USA
[5] Johns Hopkins Univ, Dept Emergency Med, Sch Med, Baltimore, MD USA
[6] Friends Res Inst, Baltimore, MD USA
[7] Icahn Sch Med Mt Sinai, Dept Emergency Med, New York, NY 10029 USA
[8] Icahn Sch Med Mt Sinai, Inst Hlth Equ Res, Dept Emergency Med, New York, NY 10029 USA
[9] Icahn Sch Med Mt Sinai, Dept Psychiat, New York, NY 10029 USA
[10] Univ Cincinnati, Dept Emergency Med, Cincinnati, OH USA
[11] Univ Cincinnati, Dept Psychiat & Behav Neurosci, Cincinnati, OH USA
[12] Univ Washington, Dept Emergency Med, Sch Med, Seattle, WA USA
[13] Univ Washington, Dept Med, Seattle, WA USA
[14] Emmes Co, Rockville, MD USA
[15] Weill Cornell Med Coll, New York, NY USA
[16] Natl Inst Drug Abuse, Rockville, MD USA