National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, Hokkaido University - Laboratory of Biomolecular Science, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, Hokkaido University - Division of Molecular Pathobiology, Hokkaido University - Center for Research and Education on Drug Discovery, Osaka University - Laboratory of Lymphocyte Differentiation, Hokkaido University - Laboratory of Biomolecular Science, Hokkaido University - Laboratory of Biomolecular Science, Hokkaido University - Laboratory of Biomolecular Science, Hokkaido University - Laboratory of Biomolecular Science, Hokkaido University - Laboratory of Biomolecular Science, Hokkaido University - Division of Molecular Pathobiology, Hokkaido University - Division of Molecular Pathobiology, National Institute of Infectious Diseases - Department of Pathology, National Institute of Infectious Diseases - Department of Pathology, National Institute of Infectious Diseases - Department of Pathology, Kyushu University - Department of Virology, Kyushu University - Department of Virology, National Institute of Infectious Diseases - Pathogen Genomic Center, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Department of Virology I, Tottori University - Chromosome Engineering Research Center, Tottori University - Chromosome Engineering Research Center, National Institute of Infectious Diseases - Department of Immunology, Trans Chromosomics Inc., Osaka University - Laboratory of Lymphocyte Differentiation, National Institute of Infectious Diseases - Pathogen Genomic Center, National Institute of Infectious Diseases - Department of Pathology, Hokkaido University - Division of Molecular Pathobiology, Kyushu University - Department of Virology, Hokkaido University - Laboratory of Biomolecular Science and National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development

National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, Tokyo Shinagawa Hospital, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Department of Immunology, National Institute of Infectious Diseases - Department of Virology I, National Institute of Infectious Diseases, National Institute of Infectious Diseases, National Institute of Infectious Diseases, National Institute of Infectious Diseases, National Institute of Infectious Diseases, National Institute of Infectious Diseases, National Institute of Infectious Diseases, National Institute of Infectious Diseases - Department of Veterinary Science, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases - AIDS Research Center, Tokyo Shinagawa Hospital, Yokohama Municipal Citizen's Hospital - Division of Infectious Disease, Tokyo Medical University, affiliation not provided to SSRN, National Institute of Infectious Diseases, National Institute of Infectious Diseases - AIDS Research Center, National Institute of Infectious Diseases, National Institute of Infectious Diseases - Department of Veterinary Science, National Institute of Infectious Diseases - Department of Bacteriology I, National Institute of Infectious Diseases - Department of Virology II, National Institute of Infectious Diseases - Department of Pathology and National Institute of Infectious Diseases - Research Center for Drug and Vaccine Development