[1] VA Greater Los Angeles Healthcare Syst, Geriatr Res Educ & Clin Ctr, Los Angeles, CA USA
[2] UCLA, David Geffen Sch Med, Los Angeles, CA USA
[3] VA Connecticut Healthcare Syst, West Haven, CT USA
[4] Yale Sch Med, Dept Psychiat, New Haven, CT USA
[5] Dept Vet Affairs Natl Ctr PTSD, White River Jct, VT USA
[6] Michael J Crescenz VA Med Ctr, Philadelphia, PA USA
[7] Univ Penn, Perelman Sch Med, Philadelphia, PA USA
[8] Dept Vet Affairs, Durham Healthcare Syst, Carolina, North, Haiti
[9] Duke Univ, Med Ctr, Dept Psychiat & Behav Sci, Durham, NC USA
[10] VA Greater Los Angeles Healthcare Syst, Geriatr Res Educ & Clin Ctr, 16111 Plummer St,11E, North Hills, CA 91343 USA