[1] Univ Calgary, Cumming Sch Med, Dept Psychiat, Foothills Campus,1403-29 Street NW, Calgary, AB T2N 2T9, Canada
[2] Tom Baker Canc Clin, Dept Psychosocial & Rehabil Oncol, Calgary, AB, Canada
[3] Yale Sch Med, Dept Psychiat, New Haven, CT USA
[4] Smilow Canc Hosp, New Haven, CT USA
[5] Univ Southampton, Ctr Psychosocial Res Canc, Sch Hlth Sci, Southampton, England
[6] Ball State Univ, Dept Counseling Psychol, Muncie, IN USA
[7] Univ Calgary, Cumming Sch Med, Dept Oncol, Calgary, AB, Canada
[8] Foothills Med Ctr, Tom Baker Canc Ctr, Dept Psychosocial & Rehabil Oncol, 1403-29 St NW, Calgary, AB T2N 2T9, Canada