[1] Michael E DeBakey Vet Affairs VA Med Ctr, Ctr Innovat Qual Effectiveness & Safety, Houston, TX 77030 USA
[2] Vet Affairs South Cent Mental Illness Res Educ &, Houston, TX USA
[3] Baylor Coll Med, Menninger Dept Psychiat & Behav Sci, Houston, TX 77030 USA
[4] Cent Arkansas Vet Healthcare Syst, South Cent Mental Illness Res Educ & Clin Ctr, North Little Rock, AR USA
[5] Cent Arkansas Vet Healthcare Syst, Ctr Mental Hlth Outcomes Res, North Little Rock, AR USA
[6] Univ Arkansas Med Sci, Dept Psychiat, Little Rock, AR 72205 USA