1. Institute for Cancer and Genomic Sciences, The Medical School, University of Birmingham, Birmingham B15 2TT, UK
2. Leibniz Institute of Virology, Department of Viral Transformation, 20251 Hamburg, Germany
3. Department of Medical Microbiology and Immunology, Taibah University, P.O. Box 344, Madinah 41477, Saudi Arabia
4. Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Chongqing Medical University, Chongqing 400016, China