1. Department of Dermatology, Surugadai Nihon University Hospital, 1-8-13 Surugadai, Kanda, Chiyoda-ku, Tokyo 101-8309, Japan
2. Department of Biological Information, Graduate School of Biotechnology, Tokyo Institute of Technology, Midori-ku, Yokohama, Japan
3. Department of Clinical Laboratory, Surugadai Nihon University Hospital, Chiyoda-ku, Tokyo, Japan
4. Department of Infection Control Science, Faculty of Medicine, Juntendo University, Tokyo, Japan
5. Department of Child Studies, Faculty of Human Life Sciences, Tokyo City University, Setagaya-ku, Tokyo, Japan