[1] Univ Kansas, Med Ctr, Dept Prevent Med & Publ Hlth, Kansas City, KS 66103 USA
[2] Univ Kansas, Med Ctr, Dept Biostat, Kansas City, KS 66103 USA
[3] Univ Minnesota, Sch Med, Dept Family Med & Community Hlth, Minneapolis, MN 55455 USA
[4] Univ Minnesota, Sch Med, Program Hlth Dispar Res, Minneapolis, MN 55455 USA
[5] Univ Missouri, Kansas City Sch Med, Kansas City, MO 64110 USA
[6] Univ Calif San Francisco, Div Clin Pharmacol & Expt Therapeut, Dept Med & Bioengn & Therapeut Sci, San Francisco, CA 94143 USA
[7] Univ Toronto, Ctr Addict & Mental Hlth, Toronto, ON, Canada
[8] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[9] Univ Toronto, Dept Pharmacol, Toronto, ON, Canada
[10] Univ Minnesota, Sch Med, Dept Med, Minneapolis, MN 55455 USA
[11] Univ Minnesota, Sch Med, Ctr Hlth Equ, Minneapolis, MN 55455 USA