S Ali Imran1, Barna Tugwell2, Stewart Harris3. 1. Division of Endocrinology and Metabolism, Dalhousie University, Halifax, Nova Scotia. Electronic address: Ali.Imran@cdha.nshealth.ca. 2. Division of Endocrinology and Metabolism, Dalhousie University, Halifax, Nova Scotia. 3. Centre for Studies in Family Medicine, Western Center For Public Health and Family Medicine, Western University, London, Ontario.