1. Key Laboratory of Helicobacter pylori, Microbiota and Gastrointestinal Cancer of Henan Province Marshall Medical Research CenterFifth Affiliated Hospital of Zhengzhou University Zhengzhou China
2. Academy of Medical Science Zhengzhou University Zhengzhou China
3. Department of Gastroenterology Fifth Affiliated Hospital of Zhengzhou University Zhengzhou China
4. Biotherapy CenterFirst Affiliated Hospital of Zhengzhou University Zhengzhou China
5. Department of Gastrointestinal Surgery Henan Cancer HospitalAffiliated Cancer Hospital of Zhengzhou University Zhengzhou China
6. Department of Gastrointestinal Surgery People' s Hospital of Zhengzhou University Zhengzhou China
7. Department of Gastrointestinal Surgery Fifth Affiliated Hospital of Zhengzhou University Zhengzhou China
8. Department of Pediatrics Fifth Affiliated Hospital of Zhengzhou University Zhengzhou China