1. Department of Hepatobiliary Pancreatic Cancer Surgery, College of Clinical Medicine for Oncology, Fujian Medical University, Fuzhou, Fujian 350108, P.R. China
2. Department of Hepatopancreatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian 350025, P.R. China
3. Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, P.R. China
4. The Big Data Institute of Southeast Hepatobiliary Health Information, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian 350025, P.R. China