1. 1Division of Endocrinology and Metabolism, Department of Medicine
2. 2Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
3. 3Department of Pathology and Laboratory Medicine, University of Calgary, Calgary, Alberta, Canada
4. 4Alberta Precision Laboratories, Alberta Health Services, Calgary, Alberta, Canada
5. 5Department of Surgery, University of Calgary, Calgary, Alberta, Canada