1. Department of Hepatobiliary, Pancreatic and Minimal Invasive Surgery, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College , Zhejiang , People’s Republic of China
2. Department of General Surgery, First Affiliated Hospital of Anhui University, Anhui Medical University , Anhui , People’s Republic of China
3. Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Navy Medical University (Second Military Medical University) , Shanghai , People’s Republic of China