1. Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
2. Peking University Diabetes Center, Beijing, China; the 3Department of Public Health, University of Helsinki, Helsinki, Finland
3. Department of Public Health, University of Helsinki, Helsinki, Finland
4. Diabetes Prevention Unit, Department of Chronic Disease Prevention, National Institute for Health and Welfare, Helsinki, Finland
5. China-Japan Friendship Hospital, Beijing, China
6. Sun Yat-sen University Third Hospital, Guangzhou, China
7. First Affiliated Hospital, Chinese Medical University, Shenyang, China
8. West China Hospital, Sichuan University, Chengdu, China
9. Xijing Hospital, Fourth Military Medical University, Xi’an, China
10. Fujian Provincial Hospital, Fuzhou, China
11. The Second Affiliated Hospital of Harbin Medical University, Harbin, China
12. Qingdao Municipal Centers for Disease Control and Prevention, Qingdao, China