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