1. Department of Molecular Cytogenetics, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
2. Department of Maxillofacial Orthognathics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
3. Research Fellow of the Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, Japan
4. Biodosimetry Research Team, Research Center for Radiation Emergency Medicine, National Institute of Radiological Sciences, Inage-ku, Chiba-shi, Chiba, Japan
5. Research Development and Support Center, National Institute of Radiological Sciences, Inage-ku, Chiba-shi, Chiba, Japan
6. Department of Medical Science Mathematics, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
7. Laboratory for Medical Science Mathematics, RIKEN Center for Integrative Medical Sciences, Tsurumi, Yokohama, Japan
8. Bioresource Research Center, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan