1. Hunan Cancer Hospital; Changsha China
2. National Cancer Center/Cancer Hospital; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
3. The Affiliated Cancer Hospital of Zhengzhou University; Henan Cancer Hospital; Zhengzhou China
4. Lanzhou University; Lanzhou China
5. Harbin Medical University; Harbin China
6. Institute of Medical Information; CAMS; Beijing China
7. Shandong University; Jinan China
8. Gansu Provincial Cancer Hospital; Lanzhou China
9. Affiliated Cancer Hospital of Harbin Medical University; Harbin China
10. Shandong Tumor Hospital; Jinan China
11. Jiangsu Provincial Center for Disease Control and Prevention; Nanjing China
12. Zhejiang Cancer Hospital; Hangzhou China
13. Chongqing Cancer Hospital; Chongqing China
14. Guangdong Provincial Institute of Public Health; Guangzhou China
15. Teaching and Research Department; Affiliated Cancer Hospital of Xinjiang Medical University; Urumqi China
16. Tieling Central Hospital; Tieling China
17. Xuzhou Center for Disease Control and Prevention; Xuzhou China
18. Harbin Center for Disease Control and Prevention; Harbin China
19. Ningbo NO.2 Hospital; Ningbo China
20. Tangshan People's Hospital; Tangshan China
21. Kailuan General Hospital; Tangshan China