1. Kyorin University Graduate School of Medicine, Tokyo, Japan
2. Department of Clinical Laboratory, Tokai University Hospital, Kanagawa, Japan
3. Department of Medical Risk and Crisis Management, Chiba Institute of Science, Chiba, Japan
4. Department of Infectious Diseases, Kyorin University School of Medicine, Tokyo, Japan
5. Department of Laboratory Medicine, Tokai University School of Medicine, Kanagawa, Japan