About the Authors

Yoshitaka Nishikawa

ynishikawa-tky@umin.ac.jp

Affiliation Department of Internal Medicine, Soma Central Hospital, 3-5-18 Okinouchi, Soma, Fukushima, Japan

Yuji Fukuda

Affiliation Department of Internal Medicine, Soma Central Hospital, 3-5-18 Okinouchi, Soma, Fukushima, Japan

Masaharu Tsubokura

Affiliations Department of Radiation Protection, Soma Central Hospital, 3-5-18 Okinouchi, Soma, Fukushima, Japan, Division of Social Communication System for Advanced Clinical Research, the Institute of Medical Science, University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, Japan

Shigeaki Kato

Affiliation Department of Radiation Protection, Soma Central Hospital, 3-5-18 Okinouchi, Soma, Fukushima, Japan

Shuhei Nomura

Affiliation Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, Norfolk Place, London, United Kingdom

Yasutoshi Saito

Affiliation Department of Internal Medicine, Soma Central Hospital, 3-5-18 Okinouchi, Soma, Fukushima, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YN YF MT SK YS. Performed the experiments: YN YF YS. Analyzed the data: YN YF. Contributed reagents/materials/analysis tools: YN MT SN. Wrote the paper: YN MT SN.