[1] Univ Hlth Network, Peter Munk Cardiac Ctr, Toronto, ON, Canada
[2] Univ Toronto, Dept Med, Div Cardiol, Toronto, ON, Canada
[3] Univ Hlth Network, Dept Pharm, Toronto, ON, Canada
[4] Univ Hlth Network, Dept Support Care, Div Palliat Care, Toronto, ON, Canada
[5] Univ Toronto, Dept Family & Community Med, Div Palliat Care, Toronto, ON, Canada
[6] Univ Toronto, Dept Anesthesia, Toronto, ON, Canada