1. Department of Gastroenterology, The First Affiliated Hospital of Nanchang University, Nanchang, China
2. Joint Programme of Nanchang University and Queen Mary University of London, Nanchang, China
3. Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, and Key Laboratory of Carcinogenesis and Cancer Invasion (Ministry of Education), Fudan University, Shangha