[1] Boston Med Ctr, Dept Med, Gen Internal Med Sect, Clin Addict Res & Educ CARE Unit, Boston, MA 02118 USA
[2] Boston Univ, Sch Med, Boston, MA 02118 USA
[3] CHU Vaudois, Inst Social & Prevent Med, Clin Epidemiol Ctr, CH-1005 Lausanne, Switzerland
[4] Univ Lausanne, CH-1005 Lausanne, Switzerland
[5] CHU Vaudois, Alcohol Treatment Ctr, CH-1005 Lausanne, Switzerland
[6] Boston Univ, Sch Publ Hlth, Dept Biostat, Boston, MA 02118 USA
[7] Boston Univ, Sch Publ Hlth, Dept Social & Behav Sci, Boston, MA 02118 USA
[8] DM STAT Inc, Malden, MA 02148 USA
[9] Boston Univ, Sch Publ Hlth, Youth Alcohol Prevent Ctr, Boston, MA 02118 USA