[1] Univ Ottawa, Dept Med, Div Palliat Care, Ottawa, ON, Canada
[2] Ottawa Hosp, Dept Crit Care, Ottawa, ON, Canada
[3] Mem Univ Newfoundland, Dept Med, St John, NF, Canada
[4] Mem Univ Newfoundland, Dept Family Med, St John, NF, Canada
[5] Univ Toronto, Dept Family & Community Med, Div Palliat Care, Toronto, ON, Canada
[6] North York Gen Hosp, Freeman Ctr Advancement Palliat Care, Toronto, ON, Canada
[7] Univ Ottawa, Dept Med, Div Palliat Care, 60 Cambridge St N,B103, Ottawa, ON K1R 7A5, Canada