Jun-ichi Asakawa,^1,* Mieko Kodaira,¹ Harry M. Cullings,² Hiroaki Katayama,³ Nori Nakamura<sup>1

1</sup>Departments of aGenetics,
²bStatistics,
³cInformation Technology, Radiation Effects Research Foundation, 5-2 Hijiyama Park, Minami-ku, Hirosh

^*Address for correspondence: Department of Genetics, Radiation Effects Research Foundation, 5-2 Hijiyama Park, Minami-ku, Hiroshima, 732-0815, Japan; e-mail: jun@rerf.or.jp.