1. Key Laboratory of Endemic and Ethnic Minority Diseases, Ministry of Education and Key Laboratory of Molecular Biology, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
2. Hepatitis Laboratory, Department of Infectious Diseases, Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
3. School of Clinical Laboratory Science, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China