1. Department of Supportive Care, Toronto General Hospital, University Health Network, Toronto, Canada.
2. Division of Palliative Medicine, Department of Medicine, University of Toronto, Toronto, Canada.
3. Department of Family Medicine, Horizon Health Network, Fredericton, Canada.
4. Department of Family Medicine, Dalhousie University, Halifax, Canada.
5. Division of Palliative Medicine, University of British Columbia, Vancouver, Canada.