[1] Univ Mississippi, Med Ctr, Dept Psychiat & Human Behav, Jackson, MS 39216 USA
[2] Atlanta VA Med Ctr, Subst Abuse Treatment Program, 1701 Hardee Ave SW, Atlanta, GA 30310 USA
[3] Oklahoma State Univ, Dept Psychol, Stillwater, OK 74078 USA
[4] Univ Michigan, Med Ctr, Dept Psychiat, Ann Arbor, MI 48109 USA
[5] Ann Arbor VA, Ctr Clin Management Res, Ann Arbor, MI USA