1. Department of Clinical Laboratory, Toho University Omori Medical Center, 6-11-1 Omori-nishi, Ota-ku, Tokyo 143-8541, Japan
2. Department of Microbiology and Infectious Disease, Toho University School of Medicine, 5-21-16 Omori-nishi, Ota-ku, Tokyo 143-8540, Japan
3. Department of Clinical Laboratory, Juntendo University Hospital, 3-1-3, Hongo, Bunkyo-ku, Tokyo 113-8431, Japan
4. Department of Pathology, Toho University Omori Medical Center, 6-11-1, Omori-nishi, Ota-ku, Tokyo, 143-8541, Japan
5. Department of Laboratory Medicine, Toho University School of Medicine, 5-21-6 Omori-nishi, Ota-ku, Tokyo 143-8540, Japan