About the Authors

Kosuke Shirai

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

kosuke_shirai@mri.co.jp

Affiliation Nuclear Safety Division, Mitsubishi Research Institute, Inc., Chiyoda-ku, Tokyo, Japan

Nobuaki Yoshizawa

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliation Nuclear Safety Division, Mitsubishi Research Institute, Inc., Chiyoda-ku, Tokyo, Japan

Yoshitake Takebayashi

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Department of Health Risk Communication, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan

Michio Murakami

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Department of Health Risk Communication, Fukushima Medical University School of Medicine, Fukushima City, Fukushima, Japan

Competing Interests

KS and NY work in Mitsubishi Research Institute, Inc. and the questionnaire survey was done by using Mitsubishi Research Institute, Inc. funding. YT and MM (Fukushima Medical University) received no funding from Mitsubishi Research Institute, Inc. for this research purpose. There are not restrictions on sharing of data and materials. This does not alter our adherence to PLOS ONE policies on sharing data and materials.