[1] Univ Calif San Francisco, San Francisco VA Med Ctr, San Francisco, CA 94121 USA
[2] Univ Calif San Francisco, Dept Psychiat, San Francisco, CA USA
[3] Univ Washington, Dept Psychiat & Behav Sci, Seattle, WA 98195 USA
[4] Vet Affairs Puget Sound Hlth Care Syst, Ctr Excellence Substance Abuse Treatment & Educ, Seattle, WA USA
[5] VA Palo Alto Hlth Care Syst, Vet Affairs Cooperat Studies Program, Palo Alto, CA USA
[6] Univ Minnesota, Dept Med, Minneapolis, MN 55455 USA
[7] Durham Vet Affairs Med Ctr, Vet Affairs Mid Atlantic Reg Mental Illness Res E, Durham, NC USA
[8] Duke Univ, Med Ctr, Dept Psychiat & Behav Sci, Durham, NC USA
[9] Univ Wisconsin, Sch Med & Publ Hlth, Madison, WI USA