1. Department of General Surgery, The First People’s Hospital of Changde, Changde, China
2. Department of General Surgery, The Second People’s Hospital of Jing Men, Jingmen, China
3. Department of Anesthesiology, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, China
4. Department of Oncology, The First People’s Hospital of Changde, Changde, China
5. Department of Hepatobiliary Surgery, Affiliated Tumor Hospital of Guangxi Medical University, Nanning, China