[1] Deakin Univ, Sch Psychol, Geelong, Vic, Australia
[2] Univ Waterloo, Dept Psychol, Waterloo, ON N2L 3G1, Canada
[3] Kings Coll London, Inst Psychiat Psychol & Neurosci, Natl Addict Ctr, London, England
[4] Roswell Pk Comprehens Canc Ctr, Dept Hlth Behav, Buffalo, NY 14263 USA
[5] Univ Queensland, Sch Publ Hlth, Brisbane, Qld, Australia
[6] Med Univ South Carolina, Dept Psychiat & Behav Sci, Charleston, SC 29425 USA
[7] Univ Waterloo, Sch Publ Hlth & Hlth Syst, Waterloo, ON N2L 3G1, Canada
[8] Ontario Inst Canc Res, Toronto, ON M5G 0A3, Canada
[9] 221 Burwood Highway, Burwood, Vic 3125, Australia