[1] Mem Sloan Kettering Canc Ctr, Dept Psychiat & Behav Sci, New York, NY USA
[2] Univ Calgary, Dept Oncol, Canc Control Alberta Tom Baker Canc Ctr, Calgary, AB, Canada
[3] Griffith Univ, Griffith Hlth Inst, Canc Council Queensland, Nathan, Qld 4111, Australia
[4] Univ Ferrara, Dept Biomed & Specialty Surg Sci, Inst Psychiat, I-44100 Ferrara, Italy
[5] Royal Marsden NHS Trust, Sutton, Surrey, England
[6] UCL, Res Dept Clin Educ & Hlth Psychol, London, England