1. Department of Clinical Laboratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
2. National Hospital Organization Mie National Hospital, Tsu, Japan
3. Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
4. Nagoya City University, Graduate School of Medical Science, Nagoya, Japan
5. Antimicrobial Resistance Research Center, National Institute of Infectious Diseases, Tokyo, Japan