1. Department of Radiology, The Fifth Affiliated Hospital of Wenzhou Medical University/Affiliated Lishui Hospital of Zhejiang University/The Central Hospital of Zhejiang Lishui, Lishui, Zhejiang, P.R. China
2. Department of Hepatobiliary Surgery, Beijing Chao-yang Hospital Affiliated with Capital Medical University, Beijing, P.R. China
3. The First Affiliated Hospital, Chongqing Medical University, Chongqing, P.R. China