1. Department of Pediatrics Environmental Medicine, School of Medicine, University of Yamanashi, Yamanashi, Japan
2. Department of Epidemiology and Environmental Medicine, School of Medicine, University of Yamanashi, Yamanashi, Japan
3. Tsukuba Research Institute, Research and Development, Sekisui Medical Co, Ltd, Ibaraki, Japan
4. Instrument System Development Center, Research and Development, Sekisui Medical Co, Ltd, Ibaraki, Japan
5. Department of Pediatrics, Hamamatsu University School of Medicine, Shizuoka, Japan
6. Hematology/Oncology, Kanagawa Children’s Medical Center, Kanagawa, Japan
7. R&D Management Department, Research and Development, Sekisui Medical Co, Ltd, Tokyo, Japan