1. Department of Microbiota Medicine and Medical Center for Digestive Diseases, The Second Affiliated Hospital of Nanjing Medical University , Nanjing 210011 , China
2. Department of Microbiotherapy, Sir Run Run Hospital, Nanjing Medical University , Nanjing 211166 , China
3. State Key Laboratory of Holistic Integrative Management of Gastrointestinal Cancers and National Clinical Research Center for Digestive Diseases, Xijing Hospital of Digestive Diseases, Fourth Military Medical University , Xi’an 710032 , China
4. National Clinical Research Center for Digestive Diseases , Xi’an 710032 , China
5. Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, School of Medicine, Northwest University , Xi’an 710069 , China