1. Department of hepatobiliary and pancreatic surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
2. Department of hepatobiliary and pancreatic surgery, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, China
3. Department of ultrasound, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China
4. Department of Cell Biology and Genetics, Fujian Medical University, Fuzhou, China