1. The Department of Hepatobiliary and Pancreatic Surgery, Shulan (Hangzhou) Hospital Affiliated to Zhejiang Shuren University Shulan International Medical College, Hangzhou, Zhejiang, P.R. China
2. OrigiMed Co. Ltd, Shanghai, P.R. China
3. The Department of Hepatobiliary and Pancreatic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, P.R. China