Kenta Sugiura,¹ Hiroki Minato,¹ Midori Matsumoto,¹ Atsushi C. Suzuki<sup>2,*

1</sup>School of Fundamental Science and Technology, Graduate School of Science and Technology, Keio University, 3-14-1, Hiyoshi, Yokohama 223-8522, Japan
²Department of Biology, School of Medicine, Keio University, 4-1-1, Hiyoshi, Yokohama 223-8521, Japan

^* Corresponding author. E-mail: chu@keio.jp