1. Department of Clinical Epidemiology, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan
2. Department of Infectious Diseases, Shimane Prefectural Central Hospital, Izumo, Shimane, Japan
3. Department of Pharmacy, Shimane Prefectural Central Hospital, Izumo, Shimane, Japan
4. Shimane Prefectural Central Hospital, Izumo, Shimane, Japan
5. Center for Health Surveillance & Preventive Medicine, Tokyo Medical University, Tokyo, Japan
6. Education and Training Center for Students and Professionals in Healthcare, Hyogo College of Medicine, Nishinomiya, Hyogo, Japan