1. Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, China
2. Ministry of Health, Division of Gastroenterology and Hepatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, China
3. Department of Immunology, Zhongshan School of Medicine, Sun Yat-sen University, China
4. Department of Gastroenterology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, South China University of Technology, China