1. Department of Endocrinology and Metabolism, Nanfang Hospital Southern Medical University Guangzhou China
2. Department of Endocrinology The First People's Hospital of Foshan Foshan China
3. National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, and Department of Metabolism and Endocrinology The Second Xiangya Hospital of Central South University Changsha China
4. Department of Metabolism and Endocrinology, The Xiangya Hospital Central South University Changsha China
5. Shunde Hospital Southern Medical University Foshan China