1. The Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, Fujian 350025, PR China
2. Department of Hepatobiliary Surgery, 900th Hospital of the Joint Logistics Team, Fuzhou, Fujian 350025, PR China
3. Department of Hepatobiliary and Pancreatic Surgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei 442000, PR China
4. Graduate School of Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350025, PR China