Kumamoto University - Department of Microbiology, Kumamoto University - Department of Microbiology, Kyoto Pharmaceutical University - Department of Microbiology and Infection Control Sciences, Kumamoto University - Department of Microbiology, Kumamoto University - Department of Cell Pathology, National Institute of Infectious Diseases - Department of Bacteriology I, Tohoku University - Division of Developmental Cognitive Neuroscience, Kumamoto University - Department of Microbiology, Osaka Institute of Public Health - Quality Assurance Unit, National Institute of Infectious Diseases - Department of Bacteriology I, Kumamoto University - Department of Immunology, Tohoku University - Department of Environmental Medicine and Molecular Toxicology and Kumamoto University - Department of Microbiology