About the Authors
- Tetsuya Kawahara
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* E-mail: k-tetsuy@med.uoeh-u.ac.jp
Affiliation Kokura Medical Association Health Testing Center, Kitakyushu, Fukuoka, Japan
- Ryuichiro Imawatari
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Affiliations Kokura Medical Association Health Testing Center, Kitakyushu, Fukuoka, Japan, Kitakyushu Medical Association Committee on Health Promotion, Kitakyushu, Fukuoka, Japan, Kokura Medical Association, Kitakyushu, Fukuoka, Japan
- Chie Kawahara
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Affiliation First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan
- Tetsuya Inazu
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Affiliation Department of Pharmacy, Ritsumeikan University, Kusatsu, Shiga, Japan
- Gen Suzuki
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Affiliation Department of Internal Medicine, International University of Health and Welfare Clinic, Otawara, Tochigi, Japan
Competing Interests
RI is an employee of Kokura Medical Association of Health Testing Center, a unit of Kokura Medical Association and a member of Kitakyushu Medical Association Committee on Health Promotion, a unit of Kitakyushu Medical Association. Since Kokura ward is a subdivision of Kitakyushu city, Kokura Medical Association has affiliation with Kitakyushu Medical Association. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: TK. Performed the experiments: TK RI CK. Analyzed the data: TK GS. Contributed reagents/materials/analysis tools: TK CK GS. Wrote the paper: TK RI CK TI GS.