1. Diabetes Center, Institute of Metabolism and Endocrinology, The Second Xiangya Hospital and Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Changsha, China
2. Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
3. Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai, China
4. Department of Endocrinology and Metabolism, Shanghai Jiao Tong University Affiliated Ruijin Hospital, Shanghai, China
5. Department of Internal Medicine, Division of Endocrinology and Metabolism, University of Virginia Health System, Charlottesville, Virginia
6. Pacific Northwest Diabetes Research Institute, Seattle, Washington
7. Department of Diabetes and Metabolic Medicine, Blizard Institute, London, U.K.