[1] Univ Hlth Network, Princess Margaret Canc Ctr, Dept Support Care, 620 Univ Ave,12th Floor, Toronto, ON M5G 2C1, Canada
[2] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[3] Univ Toronto, Global Inst Psychosocial Palliat & End Of Life Ca, Toronto, ON, Canada
[4] Princess Margaret Canc Ctr, Toronto, ON, Canada
[5] Univ Toronto, Dept Med, Toronto, ON, Canada
[6] Univ Hlth Network, Princess Margaret Canc Ctr, Radiat Med Program, Toronto, ON, Canada
[7] Univ Toronto, Dept Radiat Oncol, Toronto, ON, Canada
[8] Univ Toronto, Dept Family & Community Med, Toronto, ON, Canada
[9] Kings Coll London, Sch Canc Sci, Inst Canc Policy, London, England
[10] Kings Coll London, Sch Canc Sci, Conflict & Hlth Res Grp, London, England
[11] Univ Bristol Sch Med, Populat Hlth Sci, Bristol, Avon, England