1. Department of Gastroenterology First Affiliated Hospital of Nanchang University Nanchang Jiangxi Province China
2. Department of Gastroenterology Affiliated Hospital of Putian University Putian Fujian Province China
3. Department of Gastroenterology, Renji Hospital Shanghai Jiao Tong University School of Medicine Shanghai City China
4. Department of Gastroenterology First Affiliated Hospital of Nanjing Medical University Nanjing Jiangsu Province China
5. Department of Gastroenterology First Affiliated Hospital of Xi'an Jiaotong University Xi'an Shaanxi Province China
6. Department of Gastroenterology Fifth Affiliated Hospital of Zhengzhou University Zhengzhou Henan Province China
7. Department of Gastroenterology, Daping Hospital Third Military Medical University Chongqing City China
8. Department of Gastroenterology, Nanjing First Hospital Nanjing Medical University Nanjing Jiangsu Province China
9. Department of Gastroenterology West China Hospital of Sichuan University Chengdu Sichuan Province China
10. Department of Gastroenterology, Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou Zhejiang Province China
11. Department of Gastroenterology First Affiliated Hospital of Anhui Medical University Hefei Anhui Province China
12. Department of Gastroenterology, Nanfang Hospital Southern Medical University Guangzhou Guangdong Province China
13. Division of Gastroenterology, First Affiliated Hospital Sun Yat‐Sen University Guangzhou Guangdong Province China
14. Department of Gastroenterology Peking University First Hospital Beijing China
15. Department of Gastroenterology Qinghai University Affiliated Hospital Xining Qinghai Province China
16. Department of Gastroenterology, Qilu Hospital Shandong University Jinan Shandong Province China
17. Department of Gastroenterology Peking Union Medical College Hospital Beijing City China
18. Department of Gastroenterology Zhongnan Hospital Affiliated to Wuhan University Wuhan Hubei Province China