1. Department of Endocrinology and Metabolism, Guangdong Provincial Key Laboratory of Diabetology; The Third Affiliated Hospital of Sun Yat-Sen University; Guangzhou China
2. Department of Endocrinology; Peking University People's Hospital; Beijing China
3. Shanghai Diabetes Institute, Shanghai Clinical Center for Diabetes, Shanghai Key Laboratory of Diabetes Mellitus; Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai China
4. Department of Endocrinology; Chinese People's Liberation Army General Hospital; Beijing China
5. Institute of Metabolism and Endocrinology, Key Laboratory of Diabetes Immunology, Ministry of Education, National Clinical Research Center for Metabolic Diseases, The Second Xiangya Hospital and the Diabetes Center; Central South University; Changsha China
6. Department of Endocrinology, Changhai Hospital; Second Military Medical University; Shanghai China
7. Department of Endocrinology, Nanjing Drum Tower Hospital; The Affiliated Hospital of Nanjing University Medical School; Nanjing China
8. Tianjin Metabolic Diseases Hospital & Tianjin Institute of Endocrinology; Tianjin Medical University; Tianjin China
9. Department of Endocrinology; Qilu Hospital of Shandong University; Ji'nan China
10. Department of Endocrinology; Beijing Hospital; Beijing China
11. Department of Endocrinology; Peking University First Hospital; Beijing China
12. Department of Endocrinology, Xijing Hospital; Fourth Military Medical University; Xi'an China
13. Department of Endocrinology; The First Affiliated Hospital of Chongqing Medical University; Chongqing China
14. Department of Endocrinology, Rui Jin Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai China
15. Department of Endocrinology; Gansu Provincial Hospital; Lanzhou China
16. Department of Endocrinology and Metabolism, West China Hospital; Sichuan University; Chengdu China
17. Department of Endocrinology; The First Hospital of China Medical University; Shenyang China
18. Department of Endocrinology; Affiliated Hospital of Guiyang Medical University; Guiyang China
19. Department of Endocrinology; Hebei General Hospital; Shijiazhuang China
20. Department of Endocrinology; The First Affiliated Hospital of Fujian Medical University; Fuzhou China
21. Department of Endocrinology; Heilongjiang Provincial Hospital; Harbin China
22. Department of Endocrinology; China Japan Friendship Hospital; Beijing China