1. Department of Bacteriology, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
2. Department of Antimicrobial Resistance, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
3. Project Research Center for Nosocomial Infectious Diseases, Hiroshima University, Hiroshima, Japan
4. Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Japan
5. Department of Infectious Diseases, Monash University, Melboune, Victoria, Australia
6. Department of Clinical Laboratory, Osaka Police Hospital, Osaka, Japan
7. Fukuyama Rinsho (FML), Hiroshima, Japan
8. Department of Clinical Laboratory, Chugoku Rosai Hospital, Hiroshima, Japan
9. London School of Hygiene and Tropical Medicine, London, UK
10. Department of Infectious Diseases, Hiroshima University Hospital, Hiroshima, Japan