About the Authors

Itsushi Hayashida

Affiliation Department of Hygiene & Public Health, Osaka Medical College, Osaka, Japan

Yoshimi Tanimoto

hyg022@art.osaka-med.ac.jp

Affiliation Department of Hygiene & Public Health, Osaka Medical College, Osaka, Japan

Yuka Takahashi

Affiliation Department of Hygiene & Public Health, Osaka Medical College, Osaka, Japan

Toshiyuki Kusabiraki

Affiliation Department of Hygiene & Public Health, Osaka Medical College, Osaka, Japan

Junko Tamaki

Affiliation Department of Hygiene & Public Health, Osaka Medical College, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IH Y Tanimoto. Performed the experiments: IH Y Tanimoto Y Takahashi TK. Analyzed the data: IH Y Tanimoto. Contributed reagents/materials/analysis tools: IH Y Tanimoto Y Takahashi TK JT. Wrote the paper: IH Y Tanimoto JT.