1. Fifth Medical Center of CPLA General Hospital, Beijing, China
2. Renji Hospital Shanghai Jiaotong University School of Medicine, Shanghai, China
3. The First Affiliated Hospital Zhejiang University, Hangzhou, China
4. Harbin Medical University Cancer Hospital, Harbin, China
5. Chongqing University Cancer Hospital, Chongqing, China
6. Obstetrics & Gynecology Hospital of Fudan University, Shanghai, China
7. Hunan Cancer Hospital, Changsha, China
8. The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
9. Fujian Provincial Cancer Hospital, Fuzhou, China
10. Affiliated Cancer Hospital of Guangxi Medical University, Nanning, China
11. Hubei Cancer Hospital, Wuhan, China
12. The First Affiliated Hospital of Xiamen University-Oncology, Xiamen, China
13. Henan Cancer Hospital, Zhengzhou, China
14. Beijing Cancer Hospital, Beijing, China
15. Anhui Provincial Hospital-Obstetrics & Gynecology, Hefei, China
16. MSD (China) Co., Ltd, Beijing, China
17. MSD (China) Co., Ltd, Shanghai, China
18. Merck & Co., Inc., Rahway, NJ, USA
19. Fudan University Shanghai Cancer Center, Shanghai, China