1. Department of Gastroenterology, Zhongshan Hospital of Fudan University, Shanghai, China
2. Department of Biochemistry and Molecular Biology, Shanghai Medical College of Fudan University, Shanghai, China
3. Shanghai Institute of Liver Diseases, Zhongshan Hospital of Fudan University, Shanghai, China
4. Key Laboratory of Medical Molecular Virology, Shanghai Medical College of Fudan University, Shanghai, China