Affiliation: | 1. Department of Gastroenterology and Hepatology, Guangzhou Key Laboratory of Digestive Disease, Guangzhou First Municipal People's Hospital, Guangzhou Medical College, , Guangzhou, China;2. Department of General Surgery, Guangzhou First Municipal People's Hospital, Guangzhou Medical College, , Guangzhou, China;3. Department of Hematology, Zhujiang Hospital, Southern Medical University, , Guangzhou, China |