1. Division of Persistent and Oncogenic Viruses, Center for Chronic Viral Diseases, Kagoshima University Graduate School of Medical and Dental Sciences
2. Present address: Division of Immunology, Kagoshima University Graduate School of Medical and Dental Sciences
3. Present address: Department of Molecular Genetics, Medical Institute of Bioregulation, Kyushu University Graduate School of Medicine
4. Department of Pathology, China Medical University
5. Division of Immunology, Kagoshima University Graduate School of Medical and Dental Sciences