1. Department of Hepatobiliary and Pancreatic Surgery, Shaoxing People’s Hospital, Shaoxing, Zhejiang Province, China
2. Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
3. Department of Colorectal and Anal Surgery, Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, Zhejiang Province, China
4. Department of Hepatobiliary Surgery, Haining People’s Hospital, Jiaxing, Zhejiang Province, China