About the Authors

Nozomi Okamoto

onozomi@naramed-u.ac.jp

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

Akinori Hisashige

Affiliation Institute of Health Technology Assessment, Tokushima, Japan

Yuu Tanaka

Affiliation Department of Anesthesiology, Nara Medical University, Kashihara, Nara, Japan

Norio Kurumatani

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Acquisition of subjects: NO NK. Manuscript preparation: NO AH YT NK. Conceived and designed the experiments: NO. Performed the experiments: NO. Analyzed the data: NO. Wrote the paper: NO AH YT NK.