[1] Princess Margaret Hosp, Palliat Care Program, Dept Psychosocial Oncol & Palliat Care, Univ Hlth Network, Toronto, ON M5G 2M9, Canada
[2] Univ Toronto, Div Med Oncol & Hematol, Dept Med, Toronto, ON M5S 1A1, Canada
[3] Univ Toronto, Div Palliat Care, Dept Family & Community Med, Toronto, ON M5S 1A1, Canada
[4] Univ Toronto, Dept Psychiat, Toronto, ON M5S 1A1, Canada
[5] Princess Margaret Hosp, Oncol Educ Radiat Med Program, Univ Hlth Network, Toronto, ON M5G 2M9, Canada
[6] Princess Margaret Hosp, Dept Biostat, Univ Hlth Network, Toronto, ON M5G 2M9, Canada
[7] Princess Margaret Hosp, Ontario Canc Inst, Univ Hlth Network, Toronto, ON M5G 2M9, Canada