1. Department of Hepatobiliary and Pancreatic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China (mainland)
2. Department of Hepatobiliary and Pancreatic Surgery, he Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China (mainland)
3. Department of Surgery, Bir Hospital, National Academy of Medical Science (NAMS), Kanti Path, Kathmandu, Nepal