[1] VA Desert Pacific Mental Illness Res Educ & Clin, W Los Angeles VA Healthcare Ctr, Los Angeles, CA 90073 USA
[2] Univ Calif Los Angeles, Los Angeles, CA USA
[3] VA VISN Hlth Serv Res & Dev Ctr, Seattle, WA USA
[4] Univ Washington, Seattle, WA 98195 USA
[5] Indianapolis VA, Indianapolis, IN USA
[6] Indiana Univ, Sch Med, Indianapolis, IN USA
[7] Portland VA, Portland, OR USA
[8] Oregon Hlth & Sci Univ, Dept Med Informat & Clin Epidemiol, Portland, OR 97201 USA
[9] GRECC, VA Palo Alto Hlth Care Syst, Palo Alto, CA USA
[10] Stanford Univ, Stanford, CA 94305 USA
[11] Ann Arbor VA, Ann Arbor, MI USA
[12] Univ Michigan, Ann Arbor, MI 48109 USA
[13] VA Informat Resource Ctr, Hines, IL USA