1 Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China.
2 Centre for Inflammatory Bowel Disease, West China Hospital, Sichuan University, Chengdu, China.
3 Lab of Inflammatory Bowel Disease, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.
4 Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China.
5 Inflammatory Bowel Disease Center, Division of Colorectal Surgery, Columbia University Medical Center/New York Presbyterian Hospital, New York, NY, United States.