Affiliation: | 1. Department of Gastroenterology, Zhongnan Hospital, Wuhan University School of Medicine, , Wuhan, Hubei Province, China;2. Hubei Clinical Center & Key Laboratory of Intestinal & Colorectal Diseases, , Wuhan, Hubei Province, China;3. Department of Pathology, Zhongnan Hospital, Wuhan University School of Medicine, , Wuhan, Hubei Province, China |