[1] Med Univ South Carolina, Coll Grad Studies, Charleston, SC 29425 USA
[2] Med Univ South Carolina, Coll Med, Charleston, SC 29425 USA
[3] Med Univ South Carolina, Dept Psychiat & Behav Sci, Charleston, SC 29425 USA
[4] Med Univ South Carolina, Hollings Canc Ctr, Charleston, SC 29425 USA
[5] Canc Council Victoria, Nigel Gray Fellowship Grp, Melbourne, Vic 3004, Australia
[6] Deakin Univ, Sch Psychol, Melbourne, Vic 3220, Australia
[7] Univ Waterloo, Dept Psychol, Waterloo, ON N2L 3G1, Canada
[8] Univ Waterloo, Sch Publ Hlth & Hlth Syst, Waterloo, ON N2L 3G1, Canada
[9] Ontario Inst Canc Res, Toronto, ON M5G 0A3, Canada
[10] Univ Waterloo, Dept Stat & Actuarial Sci, Waterloo, ON N2L 3G1, Canada
[11] Kings Coll London, Inst Psychiat Psychol & Neurosci, Dept Addict, London WC2R 2LS, England
[12] Georgetown Univ, Dept Oncol, Lombardi Comprehens Canc Ctr, Washington, DC 20057 USA
[13] Univ Oklahoma, Hlth Sci Ctr, Stephenson Canc Ctr, Oklahoma Tobacco Res Ctr, Oklahoma City, OK 73104 USA