[1] Univ Penn, Perelman Sch Med, Dept Psychiat, Philadelphia, PA 19104 USA
[2] Univ Penn, Natl Clinician Scholars Program, Philadelphia, PA 19104 USA
[3] Univ Penn, Leonard Davis Inst Hlth Econ, Philadelphia, PA 19104 USA
[4] Univ Penn, Perelman Sch Med, Dept Family Med & Community Hlth, Philadelphia, PA 19104 USA
[5] Corporal Michael J Crescenz Dept Vet Affairs Med C, Philadelphia, PA USA
[6] Vet Hlth Adm, VA Off Mental Hlth & Suicide Prevent, Washington, DC USA
[7] Univ Penn, Perelman Sch Med, Div Gen Internal Med, Philadelphia, PA 19104 USA
[8] Univ Penn, Ctr Mental Hlth, Dept Psychiat, 418 Curie Blvd,Room 391, Philadelphia, PA 19104 USA