[1] Univ Toronto, Dept Med, Div Med Oncol, Toronto, ON, Canada
[2] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[3] Univ Hlth Network, Princess Margaret Canc Ctr, Dept Med Oncol & Hematol, Toronto, ON, Canada
[4] Univ Hlth Network, Princess Margaret Canc Ctr, Dept Support Care, Toronto, ON, Canada
[5] Univ Hlth Network, Princess Margaret Canc Ctr, Campbell Family Canc Res Inst, Toronto, ON, Canada