1 Department of Hepatology, The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China; Department of Hepatology and Infectious Diseases, The First Hospital of Lanzhou University, Lanzhou, China.
2 Department of Hepatology, The First Clinical Medical College of Lanzhou University, Lanzhou 730000, China; Department of Hepatology and Infectious Diseases, The First Hospital of Lanzhou University, Lanzhou, China. Electronic address: zhglt@lzu.edu.cn.