Kenshi Suzuki,¹ Shunsuke Yamazaki,¹ Ken-ichi Iwata,¹ Yutaka Yamada,¹ Takamitsu Morioka,¹ Kazuhiro Daino,¹ Mutsumi Kaminishi,¹ Mari Ogawa,¹ Yoshiya Shimada,^1,* Shizuko Kakinuma<sup>1,**

1</sup>Department of Radiation Effects Research, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum Science and Technology (QST), Chiba, Japan

^*Current address: Institute for Environmental Sciences, Ienomae, Obuchi, Rokkashomura 039-3212, Japan.
^**Corresponding Author: 4-9-1, Anagawa, Inage-ku, Chiba, 263-8555, Japan; email: kakinuma.shizuko@qst.go.jp.