[1] Univ Hlth Network, Princess Margaret Canc Res Inst, Toronto, ON, Canada
[2] Univ Toronto, Fac Nursing, Toronto, ON, Canada
[3] McMaster Univ, Escarpment Canc Res Inst, Hamilton, ON, Canada
[4] McMaster Univ, Fac Hlth Sci, Dept Oncol, Hamilton, ON, Canada
[5] McMaster Univ, Sch Nursing, Hamilton, ON, Canada
[6] Univ Hlth Network, Princess Margaret Canc Ctr, Dept Med Oncol, Toronto, ON, Canada
[7] Univ Hlth Network, Princess Margaret Canc Ctr, Canc Qual Lab CQual, Toronto, ON, Canada
[8] Univ Victoria, Sch Publ Hlth & Social Policy, Victoria, BC, Canada
[9] Univ Victoria, Inst Aging & Lifelong Hlth, Victoria, BC, Canada
[10] Womens Coll Hosp, Toronto, ON, Canada
[11] Univ Hlth Network, Princess Margaret Canc Ctr, Dept Med Oncol & Hematol, Toronto, ON, Canada
[12] Royal Victoria Hosp, Dept Med Oncol, Barrie, ON, Canada
[13] Univ Toronto, Dept Med, Toronto, ON, Canada
[14] Univ Hlth Network, 610 Univ Ave,Room15-617, Toronto, ON M5G 2M9, Canada