1. St. Michael's Hospital; University of Toronto; Toronto Ontario Canada
2. Department of Medicine; University of Alberta; Edmonton Alberta Canada
3. Canadian VIGOUR Centre; University of Alberta; Edmonton Alberta Canada
4. Wolfson Diabetes and Endocrine Clinic, Addenbrooke's Hospital; Cambridge University Hospitals Foundation Trust; Cambridge UK
5. Diabetes Trials Unit, Oxford Centre for Diabetes, Endocrinology and Metabolism; University of Oxford; Oxford UK
6. University of North Carolina School of Medicine; Chapel Hill
7. Duke Clinical Research Institute; Duke University School of Medicine; Durham North Carolina
8. Merck & Co., Inc.; Kenilworth New Jersey
9. Endocrine and Metabolic Consultants; Rockville Maryland
10. Clinical Centre of Endocrinology; Medical University; Sofia Bulgaria