1. Department of Hepatology, The First Hospital, Jilin University, Changchun, China.
2. Heilongjiang Province Hospital, Harbin, China.
3. Central Laboratory, The First Hospital, Jilin University, Changchun, China.
4. Pasteur Institute, Shanghai, China.
5. Institute of Immunology, School of Life Sciences, University of Science and Technology of China, Hefei, China.