1. Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.
2. Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
3. Bruyère Research Institute, Ottawa, Ontario, Canada.
4. Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
5. ICES uOttawa, Ottawa, Ontario, Canada.
6. Division of Palliative Care, Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada.