1. Department of Medical Oncology Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Guangzhou Guangdong P. R. China
2. Department of Gastrointestinal Oncology Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) Peking University Cancer Hospital Beijing P. R. China
3. Department of Radiology Peking University Cancer Hospital Beijing P. R. China
4. Department of Endoscopy Center Peking University Cancer Hospital Beijing P. R. China
5. Department of Pathology Sun Yat‐sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine Guangzhou Guangdong P. R. China
6. Department of Gastric Surgery Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Guangzhou Guangdong P. R. China
7. Department of Medical Oncology The First Hospital of China Medical University Shenyang Liaoning P. R. China
8. Department of Medical Oncology Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology Wuhan Hubei P. R. China
9. Department of Radiotherapy Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Guangzhou Guangdong P. R. China
10. Department of Medical Oncology Zhejiang Cancer Hospital Hangzhou Zhejiang P. R. China
11. Department of Medical Oncology Ruijin Hospital Shanghai Jiaotong University School of Medicine Shanghai P. R. China
12. Department of Surgical Oncology The Fourth Affiliated Hospital of Harbin Medical University Harbin Heilongjiang P. R. China
13. Department of Medical Oncology Fujian Cancer Hospital Fuzhou Fujian P. R. China
14. Tumor Center The First Hospital of Jilin University Changchun Jilin P. R. China
15. Department of General Surgery Nanfang Hospital Southern Medical University Guangzhou Guangdong P. R. China
16. Department of Radiology Zhongshan Hospital Fudan University Shanghai P. R. China
17. Department of Gastrointestinal Surgery Peking University Cancer Hospital Beijing P. R. China
18. Pathology Laboratory of Gastrointestinal Tumor The First Hospital of China Medical University Shenyang Liaoning P. R. China
19. Department of Pathology Zhongshan Hospital Affiliated to Shanghai Fudan University Shanghai P. R. China
20. Department of Gastrointestinal Oncology Surgery. The First Hospital of China Medical University Shenyang Liaoning P. R. China
21. Department of Gastric Surgery Sun Yat‐sen University Cancer Center; State Key Laboratory of Oncology in South China; Collaborative Innovation Center of Cancer Medicine Guangzhou Guangdong P. R. China
22. Department of Oncology National Cancer Center National Clinical Research Center for Cancer Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing P. R. China
23. Department of Radiation Oncology Shenzhen hospital Cancer Hospital of Chinese Academy of Medical Sciences Beijing P. R. China
24. Department of Oncology Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology Wuhan Hubei P. R. China
25. Department of Abdominal Oncology West China Hospital of Sichuan University Chengdu Sichuan P. R. China
26. Department of Medical Oncology Zhongshan Hospital Affiliated to Fudan University Shanghai P. R. China
27. Department of Gastric Surgery Tianjin Medical University Cancer Institute & Hospital Tianjin P. R. China
28. Department of Medical Oncology Cancer Hospital of Harbin Medical University Harbin Heilongjiang P. R. China
29. Department of Medical Oncology Peking University International Hospital Beijing P. R. China
30. Department of Medical Oncology Nanjing Drum Tower Hospital The Affiliated Hospital of Nanjing University Medical School Nanjing P. R. China
31. Department of GI Oncology Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) Peking University Cancer Hospital Beijing P. R. China
32. Department of Oncology Easter Hospital affiliated to Shanghai Tongji University Shanghai P. R. China