1. Department of Microbiota Medicine and Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Jiangsu, China
2. Key Lab of Holistic Integrative Enterology, Nanjing Medical University, Jiangsu, China
3. Digestive Endoscopy and Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University, Jiangsu, China