1. Department of Infection Control Science, Graduate School of Medicine, Osaka City University, Japan
2. Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Japan
3. Nagasaki University Infection Control and Education Center, Nagasaki University Hospital, Japan
4. Department of Laboratory Medicine, Nagasaki University Hospital, Japan
5. Department of Health Sciences, Nagasaki University Graduate School of Biomedical Sciences, Japan