1. Department of Infectious Diseases, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
2. Department of Microbiology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
3. Division of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
4. Center for Innovative Antimicrobial Therapy, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA