1. Division of Bacteriology, Shimane Prefectural Institute of Public Health and Environmental Science, Matsue, Shimane, Japan
2. Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan
3. Shimane Prefectural Hamada Public Health Center, Hamada, Shimane, Japan
4. Department of Bacteriology II, National Institute of Infectious Diseases, Tokyo, Japan
5. Management Department of Biosafety, Laboratory Animal, and Pathogen Bank, National Institute of Infectious Diseases, Tokyo, Japan