1. Department of Special Treatment I Third Affiliated Hospital of Naval Medical University (Eastern Hepatobiliary Surgery Hospital) Shanghai China
2. Department of Hepatic Surgery II Third Affiliated Hospital of Naval Medical University (Eastern Hepatobiliary Surgery Hospital) Shanghai China
3. Hepatobiliary Pancreatic Surgery, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine Shanghai China
4. Department of Colorectal and Anal Surgery Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine Shanghai China
5. Department of Hepatic Surgery IV Third Affiliated Hospital of Naval Medical University (Eastern Hepatobiliary Surgery Hospital) Shanghai China
6. Department of Hepatic Surgery I Third Affiliated Hospital of Naval Medical University (Eastern Hepatobiliary Surgery Hospital) Shanghai China