1. Merck & Co., Inc.; Kenilworth New Jersey USA
2. Shanghai Jiao Tong University Affiliated Sixth People's Hospital; Shanghai
3. Shengjing Hospital of China Medical University; Shenyang
4. The Second Affiliated Hospital of Soochow University; Suzhou
5. Nanjing First Hospital Affiliated to Nanjing Medical University; Nanjing
6. Shanghai First People's Hospital affiliated to Shanghai Jiaotong University; Shanghai
7. MSD China; Beijing China