About the Authors
- Satoru Kanamori
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* E-mail: satoru_kanamori@hotmail.com
Affiliations Tokyo Medical University, Department of Preventive Medicine and Public Health, Tokyo, Japan, Human Resource Management Department, ITOCHU Techno-Solutions Corporation, Tokyo, Japan
- Yuko Kai
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Affiliation Physical Fitness Research Institute, Meiji Yasuda Life Foundation of Health and Welfare, Tokyo, Japan
- Jun Aida
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Affiliation Department of International and Community Oral Health, Tohoku University Graduate School of Dentistry, Miyagi, Japan
- Katsunori Kondo
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Affiliations Center for Preventive Medical Science, Chiba University, Chiba, Japan, Center for Well-being and Society, Nihon Fukushi University, Aichi, Japan
- Ichiro Kawachi
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Affiliation Department of Social and Behavioral Sciences, Harvard School of Public Health, Boston, Massachusetts, United States of America
- Hiroshi Hirai
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Affiliation Faculty of Engineering, Department of Civil and Environmental Engineering, Iwate University, Iwate, Japan
- Kokoro Shirai
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Affiliation Department of Human Sciences, School of Law and Letters, University of the Ryukyus, Okinawa, Japan
- Yoshiki Ishikawa
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Affiliation Department of Health and Social Behavior, School of Public Health, The University of Tokyo, Tokyo, Japan
- Kayo Suzuki
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Affiliation Department of Social Policies, Aichi Gakuin University, Aichi, Japan
- The JAGES Group
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¶Membership of The JAGES Group is provided in the Acknowledgments.
Competing Interests
Satoru Kanamori is employed by ITOCHU Techno-Solutions Corporation. 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, as detailed online in the guide for authors.
Author Contributions
Conceived and designed the experiments: SK YK JA KK HH The JAGES Group. Analyzed the data: SK YK JA KK YI. Wrote the paper: SK YK KK IK. Reviewing of manuscript: SK YK JA KK IK HH K. Shirai YI K. Suzuki The JAGES Group. Acquisition of data: KK HH K. Suzuki The JAGES Group.