1. Laboratory of Immunology, Department of Laboratory Sciences, Gunma University School of Health Sciences, Gunma 371-8511, Japan
2. Laboratory of Pathology and Diagnostic Cytology, Department of Laboratory Sciences, Gunma University School of Health Sciences, Gunma 371-8511, Japan
3. Department of Microbiology, Kyoto University Graduate School of Medicine, Kyoto 606-8501, Japan
4. Department of Bacteriology, Nara Medical University, Nara 634-8521, Japan
5. Core Facilities Biochemistry, Max Planck Institute for Infection Biology, Berlin 10117, Germany
6. Department of Immunology, Max Planck Institute for Infection Biology, Berlin 10117, Germany