1. Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
2. Division of Global Infectious Diseases Department of Infection, Epidemiology Graduate School of Medicine, Tohoku University, Sendai, Miyagi, Japan
3. Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan
4. Field Epidemiology Training Program (FETP), National Institute of Infectious Diseases, Tokyo, Japan
5. Division of Environmental and Preventive Medicine, Department of Social Medicine Faculty of Medicine, Tottori University, Yonago, Tottori, Japan
6. Antimicrobial Resistance Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan
7. Shirakaba Clinic, Tokyo, Japan