1. Department of Infectious Diseases, St Luke’s International Hospital, Tokyo, Japan
2. Department of General Internal Medicine and Clinical Laboratory Medicine, Akita University Graduate School of Medicine, Akita, Japan
3. Department of Microbiology, Tokyo Medical University, Tokyo, Japan
4. Library Department of Academic Resources, St. Luke's International University, Tokyo, Japan
5. Department of Infectious Diseases, Fujita Health University School of Medicine, Aichi, Japan