About the Authors

Kimiko Tomioka

tkimiko@naramed-u.ac.jp

Affiliation Nara Prefectural Health Research Center, Nara Medical University, Kashihara, Nara, Japan

Nozomi Okamoto

Affiliation Department of Community Health and Epidemiology, Nara Medical University, Kashihara, Nara, Japan

Norio Kurumatani

Affiliations Nara Prefectural Health Research Center, Nara Medical University, Kashihara, Nara, Japan, Department of Community Health and Epidemiology, Nara Medical University, Kashihara, Nara, Japan

Hiroshi Hosoi

Affiliation Nara Prefectural Health Research Center, Nara Medical University, Kashihara, Nara, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KT NK. Performed the experiments: KT NO NK HH. Analyzed the data: KT NO. Contributed reagents/materials/analysis tools: KT. Wrote the paper: KT NO. Study concept and design: KT NK. Acquisition of subjects and data: KT NO NK HH. Analysis and interpretation of data: KT NO. Preparation of manuscript: KT NO NK HH.