1. Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
2. Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
3. The Second Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine, Harbin, China
4. Huizhou Central People’s Hospital, Huizhou, China
5. Handan First Hospital, Handan, China
6. The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
7. The Second Affiliated Hospital of Nanjing Medical University, Nanjing, China
8. BaoGang Hospital of Inner Mongolia, Baotou, China
9. Harrison International Peace Hospital, Hengshui, China
10. The Second People’s Hospital of Lianyungang, Lianyungang, China
11. The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
12. The Second People’s Hospital of Yueyang City, Yueyang, China
13. Jilin Province FAW General Hospital, Changchun, China
14. Hui Sheng Bio-pharmaceutical Co., Ltd, Beijing, China