1. Department of General Medicine and Primary Care Tsukuba Medical Center Hospital Tsukuba Japan
2. Division of Infectious Diseases, Department of Medicine Tsukuba Medical Center Hospital Tsukuba Japan
3. Akashi Clinic of Internal Medicine Clinic Osaka Japan
4. Department of Infectious Diseases, Faculty of Medicine University of Tsukuba Tsukuba Japan
5. Graduate School of Comprehensive Human Sciences University of Tsukuba Tsukuba Japan
6. Health Services Research and Development Center University of Tsukuba Tsukuba Japan
7. Department of Clinical Laboratory Tsukuba Medical Center Hospital Tsukuba Japan
8. Research & Development Division, Reagent R&D Department Gosen site, Denka Co., Ltd. Gosen Japan
9. Department of Respiratory Medicine Tsukuba Medical Center Hospital Tsukuba Japan