1. Department of Medical Oncology State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou Guangdong 510060 P. R. China
2. Department of Gastrointestinal Oncology Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) Peking University Cancer Hospital and Institute Beijing 100142 P. R. China
3. Department of Gastric Surgery State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou Guangdong 510060 P. R. China
4. Department of Radiology Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) Peking University Cancer Hospital and Institute Beijing 100142 P. R. China
5. Department of Medical Oncology The First Hospital of China Medical University Shenyang Liaoning 110001 P. R. China
6. Department of Medical Oncology Zhejiang Cancer Hospital Hangzhou Zhejiang 310006 P. R. China
7. Department of Medical Oncology Ruijin Hospital Shanghai Jiaotong University School of Medicine Shanghai 200025 P. R. China
8. Department of Surgical Oncology The Fourth Affiliated Hospital of Harbin Medical University Harbin Heilongjiang 150001 P. R. China
9. Department of Medical Oncology Fujian Cancer Hospital Fuzhou Fujian 350000 P. R. China
10. Department of Medical Oncology Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology Wuhan Hubei 430030 P. R. China
11. Cancer Center of The First Hospital of Jilin University Changchun Jilin 130021 P. R. China
12. Department of Pathology State Key Laboratory of Oncology in South China Collaborative Innovation Center of Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou Guangdong 510060 P. R. China
13. Department of Endoscopy Center Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) Peking University Cancer Hospital and Institute Beijing 100142 P. R. China
14. Department of General Surgery Nanfang Hospital Southern Medical University Guangzhou Guangdong 510515 P. R. China
15. 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 100021 P. R. China
16. Department of Radiotherapy State Key Laboratory of Oncology in South China Collaborative Innovation Center for Cancer Medicine Sun Yat‐sen University Cancer Center Guangzhou Guangdong 510060 P. R. China
17. Department of Medical Oncology Zhongshan Hospital Affiliated to Fudan University Shanghai 200032 P. R. China
18. Department of Abdominal Oncology West China Hospital of Sichuan University Chengdu Sichuan 610041 P. R. China
19. Department of Radiology Zhongshan Hospital Fudan University Shanghai 200032 P. R. China
20. Pathology Laboratory of Gastrointestinal Tumor The First Hospital of China Medical University Shenyang Liaoning 110001 P. R. China
21. Department of Pathology Zhongshan Hospital Affiliated to Shanghai Fudan University Shanghai 200032 P. R. China
22. Department of Gastrointestinal Oncology Surgery The First Hospital of China Medical University Shenyang Liaoning 110001 P. R. China
23. Department of Gastrointestinal Surgery Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) Peking University Cancer Hospital and Institute Beijing 100142 P. R. China
24. Department of Gastric Surgery Tianjin Medical University Cancer Institute & Hospital Tianjin 300060 P. R. China
25. Department of Gastrointestinal Medical Oncology Cancer Hospital of Harbin Medical University Harbin Heilongjiang 150081 P. R. China
26. Department of Radiation Oncology Shenzhen Center Cancer Hospital of Chinese Academy of Medical Sciences Shenzhen 518000 P. R. China
27. Department of Oncology East Hospital Affiliated to Shanghai Tongji University Shanghai 200120 P. R. China