1. Division of Endocrinology, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
2. Department of Oncology, University of Calgary, Calgary, Alberta, Canada
3. Division of General Internal Medicine, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
4. Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
5. Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada