1. National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology The Second Xiangya Hospital of Central South University Changsha China
2. Department of Endocrinology Heji Hospital Affiliated to Changzhi Medical College Changzhi China
3. Department of Endocrinology Gansu Provincial Hospital Lanzhou China
4. Department of Endocrinology Xijing Hospital, Fourth Military Medical University Xi an China
5. Department of Endocrinology and Metabolism Peking University People's Hospital Beijing China