1. Institute of Digestive Diseases, Longhua Hospital, China-Canada Center of Research for Digestive Diseases (ccCRDD), Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
2. Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
3. University of Chinese Academy of Sciences, Beijing 100049, China
4. Digestive Diseases and Nutrition Center, Women and Children’s Hospital of Buffalo, Department of Pediatrics, The State University of New York at Buffalo, Buffalo, NY 14214, USA