1. Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
2. Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada
3. Faculty of Nursing, University of Calgary, Calgary, AB, Canada
4. Department of Cardiac Sciences, University of Calgary, Calgary, AB, Canada
5. Department of Medicine, University of Toronto, Toronto, ON, Canada
6. Department of Medicine, University of Ottawa, Ottawa, ON, Canada