1. The Second Xiangya Hospital of Central South University, Department of Metabolism & Endocrinology, Changsha, Hunan, China
2. Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, Changsha, Hunan, China
3. National Clinical Research Center for Metabolic Diseases, Changsha, Hunan, China;
4. Changzhi Medical College Affiliated Heji Hospital, 117876, Department of Endocrinology, Changzhi, Shanxi , China;
5. Gansu Province People's Hospital, 91589, Department of Endocrinology, Lanzhou, Gansu, China;
6. Xijing Hospital, 66352, Department of Endocrinology, Xian, Shanxi , China
7. Fourth Military Medical University, 12644, Xi'an, Shanxi , China;
8. Peking University People's Hospital, 71185, Department of Endocrinology and Metabolism, Beijing, China;
9. The Second Xiangya Hospital of Central South University, Department of Metabolism & Endocrinology, Changsha, Hunan, China,