1. Department of Medicine, Division of Endocrinology, Western University, London, Ontario, Canada
2. Department of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
3. Institute for Clinical Evaluative Sciences, Ontario, Canada
4. St Joseph’s Health Care, London, Ontario, Canada
5. Lawson Health Research Institute, London, Ontario, Canada
6. Department of Family Medicine, Western University, London, Ontario, Canada