1. Division of Palliative Care, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
2. Department of Critical Care, The Ottawa Hospital, Ottawa, Ontario, Canada.
3. Departments of Medicine and Family Medicine, Memorial University of Newfoundland, St. John's, Newfoundland, Canada.
4. Division of Palliative Care, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada.
5. Freeman Centre for The Advancement of Palliative Care, North York General Hospital, Toronto, Ontario, Canada.