1. National Center of Gerontology Beijing Hospital Beijing China
2. The Second Affiliated Hospital Nanchang University Nanchang China
3. Gaoan People's Hospital Yichun China
4. Yunnan Cancer Hospital Kunming China
5. First People's Hospital of Tianshui Tianshui China
6. General Hospital of Northern Theater Command Shenyang China
7. Inner Mongolia People's Hospital Huhehaote China
8. The First Affiliated Hospital School of Medicine Zhejiang University Hangzhou China
9. Jiangyin Red Cross Blood Bank Jiangyin China
10. Nanjing Red Cross Blood Center Nanjing China
11. The Joint Reference Lab Clinical Testing Center Jiangyin China