About the Authors

Hiroaki Hasegawa

hasegawah-rad@h.u-tokyo.ac.jp

Affiliation Department of Bioinformatics, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan

Masanori Sato

Affiliation Department of Radiological Sciences, Graduate School of Health Sciences, Komazawa University, Setagaya-ku, Tokyo, Japan

Hiroshi Tanaka

Affiliation Department of Bioinformatics, Division of Medical Genomics, Medical Research Institute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo, Japan

Competing Interests

The authors of this manuscript have the following competing interests: Nagase Landauer Ltd. supplied the CT OSL dosimeter used in this study for free. There are no patents, products in development or marketed products to declare. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HH MS HT. Performed the experiments: HH MS. Analyzed the data: HH. Contributed reagents/materials/analysis tools: MS. Wrote the paper: HH HT.