1. Department of Medicine, Kingston General Hospital, and Department of Community Health and Epidemiology, Queen's University, Kingston, Ontario
2. Department of Medicine, Kingston General Hospital, Kingston, Ontario
3. Department of Medicine, Queen Elizabeth II Health Sciences Center and Dalhousie University, Halifax, Nova Scotia
4. Program in Critical Care Medicine and Center for Health Evaluation and Outcome Sciences, St. Paul's Hospital and University of British Columbia, Vancouver, British Columbia
5. Center for Health Economics and Policy Analysis, and Department of Clinical Epidemiology, McMaster University, Hamilton, Ontario
6. Department of Community Health and Epidemiology, Queen's University, and Department of Nursing, Kingston General Hospital, Kingston, Ontario
7. Department of Medicine, University Health Network and University of Toronto, Toronto, Ontario
8. Department of Critical Care, University of Alberta, Edmonton, Alberta
9. Department of Community Health and Epidemiology, Queen's University, and Center for Health Services and Policy Research, Queen's University, Kingston, Ontario
10. Department of Community Health and Epidemiology, Queen's University, Kingston, Ontario, Canada, for the Canadian Researchers at the End of Life Network (CARENET)*