[1] St Louis Vet Affairs Med Ctr, Res Serv, Clin Res & Epidemiol Workgrp, St Louis, MO 63103 USA
[2] Washington Univ, Sch Med, Midwest Alcoholism Res Ctr, St Louis, MO USA
[3] Washington Univ, Sch Med, Dept Internal Med, St Louis, MO USA
[4] Washington Univ, Sch Med, Dept Psychiat, St Louis, MO USA
[5] St Louis Univ, Sch Med, St Louis, MO USA
[6] Cent Arkansas Vet Healthcare Syst, HSR&D Ctr Mental Healthcare & Outcomes Res, Little Rock, AR USA
[7] Univ Arkansas Med Sci, Coll Publ Hlth, Dept Epidemiol, Little Rock, AR 72205 USA
[8] Univ Arkansas Med Sci, Coll Med, Dept Psychiat, Little Rock, AR 72205 USA
[9] Washington Univ, George Warren Brown Sch Social Work, St Louis, MO 63130 USA