[1] Miriam Hosp, Ctr Behav Med, Providence, RI 02903 USA
[2] Brown Univ, Alpert Sch Med, Providence, RI 02912 USA
[3] Purdue Univ, Dept Pharm Practice, Sch Pharm & Pharmaceut Sci, Indianapolis, IN USA
[4] PHCCLP, Pueblo, CO USA
[5] Amer Legacy Fdn, Schroeder Inst Tobacco Res & Policy Studies, Washington, DC USA
[6] BTTF Inc, Attleboro, MA USA
[7] Miriam Hosp, Ctr Prevent Med, Providence, RI 02903 USA