Affiliation: | 1. Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China Key Laboratory of Hubei Province for Digestive System Disease, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China Hubei Provincial Clinical Research Center for Digestive Disease Minimally Invasive Incision, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China;2. Department of Gastroenterology, Wuhan No. 1 Hospital, Wuhan, Hubei Province, China;3. Department of Gastroenterology, Wuhan Fourth Hospital, Wuhan, Hubei Province, China;4. Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China |