[1] Univ Toronto, Princess Margaret Hosp, Dept Psychosocial Oncol & Palliat Care, Dept Psychiat, Toronto, ON M5G 2M9, Canada
[2] IWK Hlth Ctr, Dept Hematol Oncol, Halifax, NS, Canada
[3] Univ Michigan, Sch Social Work, Ann Arbor, MI 48109 USA
[4] Univ Michigan, Ctr Comprehens Canc, Sociobehav Program, Ann Arbor, MI 48109 USA