About the Authors

Moyoko Tomiyasu

Affiliations Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Kanagawa Children’s Medical Center, Yokohama, Japan, Research Center for Child Mental Development, Chiba University Graduate School of Medicine, Chiba, Japan

Noriko Aida

Affiliations Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Kanagawa Children’s Medical Center, Yokohama, Japan

Mamiko Endo

Affiliation Department of Neonatology, Kanagawa Children’s Medical Center, Yokohama, Japan

Jun Shibasaki

Affiliation Department of Neonatology, Kanagawa Children’s Medical Center, Yokohama, Japan

Kumiko Nozawa

Affiliations Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Kanagawa Children’s Medical Center, Yokohama, Japan

Eiji Shimizu

Affiliation Research Center for Child Mental Development, Chiba University Graduate School of Medicine, Chiba, Japan

Hiroshi Tsuji

Affiliation Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan

Takayuki Obata

t_obata@nirs.go.jp

Affiliations Research Center for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Kanagawa Children’s Medical Center, Yokohama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MT NA. Performed the experiments: MT NA ME JS KN. Analyzed the data: MT NA TO. Contributed reagents/materials/analysis tools: ME JS ES HT. Wrote the manuscript: MT NA TO.