1. Liver Research Center, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, China
2. Digestive Department, Union Hospital of Fujian Medical University, Fuzhou 350001, China
3. Digestive Department, The First Affiliated Hospital of Fujian Medical University, Fuzhou 350005, China
4. Department of Statistics, College of Mathematics and Informatics & FJKLMAA, Fujian Normal University, Fuzhou 350117, China
5. Digestive Department, Minnan branch, The First Affiliated Hospital of Fujian Medical University, Quanzhou 362800, China