1. Department of Gastroenterology Peking University Third Hospital Beijing China
2. Department of Gastroenterology Integrative Microecology Center Shenzhen Hospital of Southern Medical University Shenzhen Guangdong China
3. Department of Gastroenterology Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai China
4. Department of Gastroenterology The First Affiliated Hospital Sun Yat‐sen University Guangzhou Guangdong China
5. Department of Gastroenterology Peking University First Hospital Beijing China
6. Department of Gastroenterology The 960th Hospital of the PLA Joint Logistics Support Force Jinan Shandong China
7. Department of Gastroenterology The First Affiliated Hospital of Nanjing Medical University Nanjing Jiangsu China
8. Department of Gastroenterology The Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang China
9. Department of Gastroenterology The Fifth Affiliated Hospital of Zhengzhou University Zhengzhou Henan China
10. Department of Gastroenterology The Affiliated Hospital of Southwest Medical University Luzhou Sichuan China
11. Department of Gastroenterology 2nd Hospital Hebei Medical University Shijiazhuang Hebei China
12. Department of Gastroenterology The First Affiliated Hospital of Fujian Medical University Fuzhou Fujian China
13. Division of Gastroenterology Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan Hubei China
14. Division of Gastroenterology The First Affiliated Hospital of Xi'an Jiaotong University Xi'an Shanxi China
15. Department of Gastroenterology The First Affiliated Hospital of Nanchang University Nanchang Jiangxi China
16. Department of Gastroenterology Xiangya Hospital of Zhongnan University Changsha Hunan China
17. Department of Gastroenterology The First Affiliated Hospital of Anhui Medical University Hefei Anhui China
18. Department of Gastroenterology Shengjing Hospital Shenyang Liaoning China
19. Department of Gastroenterology First Affiliated Hospital of Shanxi Medical University Taiyuan Shanxi China
20. Department of Gastroenterology The Army Medical University Chongqing China
21. Department of Digestive Diseases The First Affiliated Hospital of Kunming Medical University Kunming Yunnan China
22. Department of Gastroenterology The First Affiliated Hospital of Guangxi Medical University Nanning Guangxi China
23. Department of Gastroenterology Affiliated Hospital of Inner Mongolia Medical University Hohhot Inner Mongolia China
24. Department of Gastroenterology The First Affiliated Hospital of Harbin Medical University Harbin Heilongjiang China
25. Department of Gastroenterology Affiliated Hospital of Zunyi Medical University Zunyi Guizhou China
26. Department of Gastroenterology Second Hospital of Lanzhou University Lanzhou Gansu China
27. Department of Gastroenterology and Hepatology Tianjin Medical University General Hospital Tianjin China
28. Digestive Department China‐Japan Union Hospital of Jilin University Changchun Jilin China
29. Department of Gastroenterology The First Affiliated Hospital of Xinjiang Medical University Urumqi Xinjiang China
30. Department of Gastroenterology Haikou People's Hospital Haikou Hainan China
31. Department of Gastroenterology Ningxia Medical University General Hospital Yinchuan Ningxia Hui Autonomous Region China
32. Department of Gastroenterology Qinghai University Affiliated Hospital Xining Qinghai China