1. Department of General Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
2. Department of Hepatobiliary-Pancreatic Surgery and Organ Transplantation Center, The First Affiliated Hospital of Anhui Medical University, Hefei, China
3. Department of Pathology, Anhui Medical University, Hefei, China
4. Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China