About the Authors

Hiroyuki Yamasaki

Affiliation Department of Anesthesiology, Osaka City University Graduate School of Medicine, Osaka, Japan

Yusuke Funai

Affiliation Department of Anesthesiology, Osaka City University Graduate School of Medicine, Osaka, Japan

Tomoharu Funao

Affiliation Department of Anesthesiology, Osaka City University Graduate School of Medicine, Osaka, Japan

Takashi Mori

m1377033@med.osaka-cu.ac.jp

Affiliation Department of Anesthesiology, Osaka City University Graduate School of Medicine, Osaka, Japan

Kiyonobu Nishikawa

Affiliation Department of Anesthesiology, Osaka City University Graduate School of Medicine, Osaka, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TM KN HY TF. Performed the experiments: HY YF. Analyzed the data: HY TM. Contributed reagents/materials/analysis tools: TM YF KN. Wrote the paper: HY YF TM KN.