[1] Univ Toronto, Lawrence S Bloomberg Fac Nursing, Toronto, ON M5T 1P8, Canada
[2] McGill Univ, Jewish Gen Hosp, Solidage Res Grp Frailty & Aging, Montreal, PQ H3T 1E2, Canada
[3] McGill Univ, Jewish Gen Hosp, Div Geriatr Med, Montreal, PQ H3T 1E2, Canada
[4] Ctr Hosp Dept, Dept Hematol Oncol, La Roche Sur Yon, France
[5] McGill Univ, Res Inst, Ctr Hlth, Montreal, PQ, Canada
[6] McGill Univ, Jewish Gen Hosp, Segal Canc Ctr, Dept Oncol, Montreal, PQ H3T 1E2, Canada