About the Authors

Nakako Izumi Nakajima

Contributed equally to this work with: Nakako Izumi Nakajima, Yoshihiko Hagiwara

Affiliation Research Center for Charged Particle Therapy and International Open Laboratory, National Institute of Radiological Sciences, Chiba, Japan

Yoshihiko Hagiwara

Contributed equally to this work with: Nakako Izumi Nakajima, Yoshihiko Hagiwara

Affiliation Advanced Scientific Research Leaders Development Unit, Gunma University, Maebashi, Gunma, Japan

Takahiro Oike

Affiliation Department of Radiation Oncology, Gunma University, Maebashi, Gunma, Japan

Ryuichi Okayasu

Affiliation Research Center for Charged Particle Therapy and International Open Laboratory, National Institute of Radiological Sciences, Chiba, Japan

Takeshi Murakami

Affiliation Research Center for Charged Particle Therapy and International Open Laboratory, National Institute of Radiological Sciences, Chiba, Japan

Takashi Nakano

Affiliation Department of Radiation Oncology, Gunma University, Maebashi, Gunma, Japan

Atsushi Shibata

shibata.at@gunma-u.ac.jp

Affiliation Advanced Scientific Research Leaders Development Unit, Gunma University, Maebashi, Gunma, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AS. Performed the experiments: AS NIN YH. Wrote the paper: AS NIN TO RO TM TN.