Funding for this research was provided by:
Marubun Research Promotion Foundation (FY2017-2018)
Japan Radiation Effects Association (FY2018)
Japan Radiological Society from Bayer Yakuhin (FY2019)
Text and Data Mining valid from 2019-08-23
Received: 13 February 2019
Accepted: 19 August 2019
First Online: 23 August 2019
Ethics approval and consent to participate
: The present study was approved by the Institutional Review Board of ToMMo.
: A signed informed consent was obtained from each participant of ToMMo population-based biobank projects.
: The authors declare that they have no competing interests.