About the Authors
- Machiko Inoue
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* E-mail: machiko-inoue@umin.ac.jp
Affiliation Department of Community Medicine, Teikyo University School of Medicine, Tokyo, Japan
- Kazuo Inoue
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Affiliation Department of Community Medicine, Chiba Medical Center, Teikyo University School of Medicine, Chiba, Japan
- Kimihiko Akimoto
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Affiliation Akimoto Occupational Health Consultant Office, Tokyo, Japan
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MI KI KA. Performed the experiments: KA. Analyzed the data: MI KI. Contributed reagents/materials/analysis tools: MI. Wrote the paper: MI.