[1] Yale Sch Med, Dept Psychiat, New Haven, CT 06510 USA
[2] Yale Sch Publ Hlth, Dept Chron Dis Epidemiol, New Haven, CT USA
[3] Univ Southern Calif, Dept Prevent Med, Los Angeles, CA USA
[4] Duke Univ, Sch Med, Dept Psychiat & Behav Sci, Durham, NC USA
[5] Univ Texas Hlth Sci Ctr Houston, UThlth, Sch Publ Hlth, Austin Campus, Houston, TX 77030 USA
[6] Virginia Commonwealth Univ, Coll Humanities & Sci, Dept African Amer Studies, Richmond, VA USA
[7] Westat Corp, Tobacco Regulatory Sci, CECTR, Washington, DC USA