1. Department of Infection Control and Prevention, The University of Tokyo Hospital, Hongo, Bunkyo-ku, Tokyo, Japan
2. Department of Infectious Diseases, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
3. Department of Microbiology, Fujita Health University School of Medicine, Toyoake, Aichi, Japan
4. Department of Joint Research Laboratory of Clinical Medicine, Fujita Health University Okazaki Medical Center, Okazaki, Aichi, Japan
5. Department of Joint Research Laboratory of Clinical Medicine, Fujita Health University Hospital, Toyoake, Aichi, Japan
6. Division of Infectious Diseases, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA