1. Department of Medicine, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
2. Libin Cardiovascular Institute, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
3. O’Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada
4. Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, 11405 87 Ave NW, Edmonton, AB T6G 2R3, Canada