1. The Third Affiliated Hospital of Sun Yat-sen University, Guangdong Provincial Key Laboratory of Diabetology; Guangzhou China
2. The First Affiliated Hospital of Harbin Medical University; Harbin China
3. Changhai Hospital; Shanghai China
4. Peking University Third Hospital; Beijing China
5. The First Hospital of China Medical University; Shenyang China
6. Chinese PLA General Hospital; Beijing China
7. CHINA-JAPAN Friendship Hospital; Beijing China
8. The First Affiliated Hospital of Zhengzhou University; Zhengzhou China
9. Henan Provincial Peoples Hospital; Zhengzhou China
10. Peking Union Medical College Hospital; Beijing China