1. Medical Centre for Digestive Diseases Second Affiliated Hospital Nanjing Medical University Nanjing China
2. Department of Gastroenterology Quanzhou First Hospital Affiliated to Fujian Medical University Quanzhou China
3. Department of Oncology Second Affiliated Hospital Nanjing Medical University Nanjing China
4. Department of Immunology Nanjing Medical University Nanjing China
5. Department of Digestive Diseases Kizilsu Kirghiz The People's Hospital of Kizilsu Kirghiz Autonomous Prefecture Xinjiang China