1. Department of Human Pathology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
2. Department of Clinical Laboratory Medicine, Faculty of Health Science Technology, Bunkyo Gakuin University, Tokyo, Japan
3. Department of Pathology, Shuuwa General Hospital, Saitama, Japan
4. Department of Physics, School of Science, Kitasato University, Kanagawa, Japan