[1] Virginia Commonwealth Univ, Richmond, VA USA
[2] Richmond Vet Affairs Med Ctr, Richmond, VA USA
[3] VA Portland Hlth Care Syst, Portland, OR USA
[4] Oregon Hlth & Sci Univ, Dept Psychiat, Portland, OR 97201 USA
[5] Oregon Hlth & Sci Univ, Dept Med Informat & Clin Epidemiol, Portland, OR 97201 USA
[6] Univ Utah, Sch Med, Dept Internal Med, Div Epidemiol, Salt Lake City, UT USA
[7] VA Boston Healthcare Syst, Ctr Healthcare Org & Implementat Res, Boston, MA USA
[8] Boston Univ, Sch Publ Hlth, Dept Hlth Law Policy & Management, Boston, MA USA
[9] Surg Gen Off, Special Operat Command SOCOM, Tampa, FL USA
[10] St Michaels Inc, Tampa, FL USA
[11] Univ S Florida, Dept Psychol, Tampa, FL 33620 USA
[12] Univ S Florida, Dept Psychiat & Behav Neurosci, Tampa, FL 33620 USA
[13] James A Haley Vet Hosp Res Serv, Tampa, FL USA
[14] Michael E DeBakey VA Med Ctr, Houston, TX USA
[15] Baylor Coll Med, H Ben Taub Dept Phys Med & Rehabil, Houston, TX 77030 USA
[16] James A Haley Vet Hosp, Mental Hlth & Behav Sci Serv, Tampa, FL USA
[17] Univ S Florida, Morsani Coll Med, Psychiat & Behav Neurosci, Tampa, FL 33620 USA
[18] George E Wahlen Vet Affairs Salt Lake City Health, Salt Lake City, UT USA
[19] Univ Utah, Dept Neurol, Salt Lake City, UT USA
[20] Michael E DeBakey VA Med Ctr, Houston, TX USA
[21] Univ Utah, Dept Med, Salt Lake City, UT 84112 USA
[22] VA San Diego Healthcare Syst, San Deigo, CA USA
[23] Univ Calif San Diego, Dept Psychiat, San Diego, CA 92103 USA