[1] Natl Ctr PTSD, Pacific Isl Div, Minneapolis, MN USA
[2] Minneapolis VA Healthcare Syst, Ctr Chron Dis Outcomes Res, One Vet Dr 152 Bldg 9, Minneapolis, MN 55417 USA
[3] Univ Minnesota, Dept Med & Psychiat, Minneapolis, MN USA
[4] Univ Minnesota, Dept Med & Biostat, Minneapolis, MN USA
[5] Mayo Clin, Coll Med, Div Hlth Care Policy & Res, Dept Hlth Serv Res, Rochester, NY USA
[6] Mayo Clin, Off Hlth Dispar Res, Rochester, NY USA
[7] Massachusetts Gen Hosp, Dept Med, Dispar Res Unit, Boston, MA 02114 USA
[8] Harvard Med Sch, Dept Med, Boston, MA USA
[9] Harvard Med Sch, Dept Psychiat, Boston, MA USA