About the Authors

Shizuka Seino

Affiliation Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan

Satoshi Watanabe

Affiliation Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan

Namiko Ito

Affiliation Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan

Konosuke Sasaki

Affiliation Health Science, Tohoku University Graduate School of Medicine, Sendai, Japan

Kaori Shoji

Affiliation Health Science, Tohoku University Graduate School of Medicine, Sendai, Japan

Shoko Miura

Affiliation Department of Clinical Physiology, Tohoku University Hospital, Sendai, Japan

Kanoko Kozawa

Affiliation Department of Clinical Physiology, Tohoku University Hospital, Sendai, Japan

Kunihiko Nakai

Affiliation Department of Environmental Health Science, Tohoku University Graduate School of Medicine, Sendai, Japan

Hiroshi Sato

Affiliation Department of Environmental Health Science, Tohoku University Graduate School of Medicine, Sendai, Japan

Motoyori Kanazawa

Affiliation Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan

Shin Fukudo

sfukudo@med.tohoku.ac.jp

Affiliation Department of Behavioral Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SF KN HS SW SS. Performed the experiments: SS SW NI K. Sasaki K. Shoji SM KK . Analyzed the data: SS MK SW NI K. Sasaki K. Shoji SM KK SF. Contributed reagents/materials/analysis tools: SS SW MK. Wrote the paper: SF SS MK.