1. Department of Comprehensive Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. Cancer Center of the First Hospital of Jilin University Changchun China
3. Cancer Center Renmin Hospital of Wuhan University Wuhan China
4. Department of Epidemiology College of Public Health Zhengzhou University Zhengzhou China
5. Department of Comprehensive Oncology Huanxing Cancer Hospital Beijing China
6. Department of Medical Oncology Fujian Cancer HospitalFujian Medical University Cancer Hospital Fuzhou China
7. Department of Gastrointestinal Surgery Affiliated Tumor Hospital of Guangxi Medical University Nanning China
8. Department of Surgery The First Affiliated Hospital of SunYat‐sen University Guangzhou China
9. Department of Clinical Nutrition West China Hospital of Sichuan University Chengdu China
10. Department of Gastrointestinal Oncology Tianjin Key Laboratory of Cancer Prevention and Therapy Tianjin Medical University Cancer Institute and HospitalNational Clinical Research Center for Cancer Tianjin China
11. Department of Nutrition and Metabolism of Oncology Affiliated Provincial Hospital of Anhui Medical University Hefei China
12. Department of Clinical Nutrition The First Hospital of Hebei Medical University Shijiazhuang China
13. Department of Gastrointestinal Surgery Institute of Gastroenterology The First Affiliated Hospital of Kunming Medical University Kunming China
14. Department of Clinical Nutrition The First People's Hospital of Kashi Xinjiang China
15. Department of Clinical Nutrition Chongqing General Hospital Chongqing China
16. Department of Colorectal and Anal Surgery Huizhou Municipal Central Hospital Huizhou China
17. Department of Radiation and Medical Oncology Zhongnan Hospital of Wuhan University Wuhan China
18. Department of Oncology Xingtai People’s HospitalHebei Medical University Xingtai China
19. The First Department of the Tumor Hospital of Harbin Medical University Harbin China
20. Department of Nutrition Guangdong General HospitalGuangdong Academy of Medical Sciences Guangzhou China
21. Department of Oncology Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer Hospital Zhengzhou China
22. Department of General Surgery Xiangya HospitalCentral South University Changsha China
23. Department of Oncology Affiliated Hospital of Zunyi Medical University Zunyi China
24. The Fourth Affiliated HospitalHarbin Medical University Harbin China
25. Cancer Center The First People's Hospital of Foshan Foshan China
26. Department of Gastrointestinal Tumor Surgery The First Affiliated HospitalXiamen University Xiamen China
27. Department of Nutrition Ruijin HospitalShanghai Jiao Tong University School of Medicine Shanghai China
28. Department of Nutrition Tianjin Third Central Hospital Tianjin China
29. Department of Surgery The First Affiliated Hospital of Jinan University Guangzhou China
30. Department of General Surgery Nanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical School Nanjing China
31. Department of Gastrointestinal Surgery First Affiliated Hospital of Guangxi Medical University Nanning China
32. Department of Radiation and Medical Oncology People's Hospital of Guangxi Zhuang Autonomous Region Nanning China
33. Department of Clinical Nutrition Peking University Cancer Hospital and Institute Beijing China
34. Department of Nutrition Third Affiliated Hospital of Kunming Medical CollegeTumor Hospital of Yunnan Province Kunming China
35. Department of Surgery Tongji HospitalTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
36. Department of Nutrition Guangzhou Red Cross Hospital Guangzhou China
37. Department of Radiotherapy Sichuan Cancer Hospital & InstituteSichuan Cancer CenterSchool of MedicineUniversity of Electronic Science and Technology of China Chengdu China
38. Department of Clinical Nutrition Clifford HospitalGuangzhou University of Chinese Medicine Guangzhou China
39. Department of Digestive Diseases Xijing HospitalFourth Military Medical University Xi'an China
40. Department of Hepatobiliary Surgery National Cancer Center/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical College Beijing China
41. Department of Nutrition Daping Hospital & Research Institute of Surgery Third Military Medical University Chongqing China
42. Department of Gastrointestinal Surgery/Clinical Nutrition Beijing Shijitan HospitalCapital Medical UniversityThe 9th Clinical College Beijing China