[1] Univ Pittsburgh, Dept Med, Div Gen Internal Med, Sch Med, Pittsburgh, PA 15213 USA
[2] Univ Pittsburgh, Dept Epidemiol, Grad Sch Publ Hlth, Pittsburgh, PA 15213 USA
[3] Vet Affairs Pittsburgh Healthcare Syst, Ctr Hlth Equ Res & Promot, Pittsburgh, PA USA
[4] Boston Univ, Sch Med, Dept Med, Gen Internal Med Sect, Boston, MA 02118 USA
[5] Lexington Veteran Affairs Med Ctr, Div Gen Internal Med, Lexington, KY USA
[6] Univ Kentucky, Albert B Chandler Med Ctr, Lexington, KY 40536 USA
[7] Boston Univ, Sch Med, Prevent Med & Epidemiol Sect, Evans Dept Med, Boston, MA 02118 USA
[8] NIAAA, NIH, Rockville, MD 20852 USA
[9] Veteran Affairs Connecticut Healthcare Syst, West Haven, CT USA
[10] Yale Univ, Sch Med, Dept Med, New Haven, CT 06510 USA