1. Peking University People's Hospital Beijing China
2. Yancheng First People's Hospital Yancheng China
3. The Second Affiliated Hospital of Nanjing Medical University Nanjing China
4. Pingxiang People's Hospital Pingxiang China
5. Pfizer (China) R&D Co. Shanghai China
6. Pfizer Inc. New York New York
7. Merck & Co., Inc. Kenilworth New Jersey
8. MSD China Beijing China
9. Pfizer Inc. Andover Massachusetts