1. Department of Hepatobiliary Pancreatic Surgery, The First Affiliated Hospital of Huzhou University, Huzhou, Zhejiang Province, P.R. China
2. Department of Pathology, The First Affiliated Hospital of Huzhou University, Huzhou, Zhejiang Province, P.R. China
3. Department of Surgery, The First Affiliated Hospital of Huzhou University, Huzhou, Zhejiang Province, P.R. China
4. Central Laboratory, The First Affiliated Hospital of Huzhou University, Huzhou, Zhejiang Province, P.R. China