1. The First Medical Center of Chinese PLA General Hospital Beijing China
2. Beijing Hospital, National Center of Gerontology Beijing China
3. Panjin Central Hospital Panjin China
4. Second Hospital of Shijiazhuang Shijiazhuang China
5. Harbin the First Hospital Harbin China
6. Second Affiliated Hospital of Baotou Medical College Baotou China
7. The Second People's Hospital of Yibin Yibin China
8. People's Hospital of Liaoning Province Shenyang China
9. Medical Department Sanofi Investment Co, Ltd. Shanghai China