About the Authors

Shoko Matsumoto

shoko27@med.teikyo-u.ac.jp

Affiliation Graduate School of Public Health, Teikyo University, Tokyo, Japan

Kazue Yamaoka

Affiliation Graduate School of Public Health, Teikyo University, Tokyo, Japan

Machiko Inoue

Affiliation Department of Family and Community Medicine, Hamamatsu University School of Medicine, Shizuoka, Japan

Mariko Inoue

Affiliations Graduate School of Public Health, Teikyo University, Tokyo, Japan, Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan

Shinsuke Muto

Affiliation Health and Life Revival Council in the Ishinomaki District (RCI), Miyagi, Japan

Teikyo Ishinomaki Research Group

Membership of the Teikyo Ishinomaki Research Group is provided in the Acknowledgments.

Affiliations Graduate School of Public Health, Teikyo University, Tokyo, Japan, Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: S. Matsumoto KY Machiko Inoue Mariko Inoue. Performed the experiments: S. Muto. Analyzed the data: S. Matsumoto Machiko Inoue KY. Contributed reagents/materials/analysis tools: S. Muto. Wrote the paper: S. Matsumoto. Revised the manuscript critically for important intellectual content: the Teikyo Ishinomaki Research Group.