1Department of Medicine, Division of Geriatrics, McMaster University, Hamilton, Ont
2Department of Medicine, Division of General Internal Medicine, McGill University, Montréal, Que.
3Departments of Medicine and Medical Imaging, University of Toronto, Toronto, Ont
4Faculty of Health Sciences, McMaster University, Hamilton, Ont.
5Department of Medicine, Université Laval, Québec, Que.
6Department of Family and Community Medicine, University of Toronto, Toronto, Ont
7Departments of Medicine, Community Health Sciences and Oncology, University of Calgary, Calgary, Alta.
8Department of Medicine, University of Western Ontario, London, Ont
9Faculty of Medicine, University of Toronto, Toronto, Ont.
10Division of Endocrinology and Metabolism, Faculty of Medicine, Dalhousie University, Halifax, NS
11Department of Family Medicine (Kvern), University of Manitoba, Winnipeg, Man.
12Departments of Radiology and Medicine, University of Alberta, Edmonton, Alta.
13Departments of Medicine and Radiology, University of Manitoba, Winnipeg, Man