1. Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC
2. Department of Medicine and Diabetes Unit, Massachusetts General Hospital, Boston, MA
3. Harvard Medical School, Boston, MA
4. Second Medical Department, Aristotle University Thessaloniki, Thessaloniki, Greece
5. Steno Diabetes Center Copenhagen, Gentofte, Denmark
6. University of Copenhagen, Copenhagen, Denmark
7. Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
8. Università Cattolica del Sacro Cuore, Rome, Italy
9. Diabetes and Nutritional Sciences, King's College London, London, U.K.
10. Clinical and Experimental Endocrinology, UZ Gasthuisberg, KU Leuven, Leuven, Belgium
11. Department of Medicine, Duke University School of Medicine, Durham, NC
12. Diabetes Research Centre, University of Leicester, Leicester General Hospital, Leicester, U.K.