About the Authors

Kaito Iwayama

Contributed equally to this work with: Kaito Iwayama, Ryosuke Kawabuchi

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Ryosuke Kawabuchi

Contributed equally to this work with: Kaito Iwayama, Ryosuke Kawabuchi

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Yoshiharu Nabekura

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Reiko Kurihara

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Insung Park

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Masashi Kobayashi

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Hitomi Ogata

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Momoko Kayaba

Affiliation International Institute for Integrative Sleep Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Naomi Omi

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Makoto Satoh

Affiliation International Institute for Integrative Sleep Medicine, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Kumpei Tokuyama

tokuyama@taiiku.tsukuba.ac.jp

Affiliation Doctoral Program in Sports Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: KI R. Kawabuchi YN NO MS KT. Data curation: R. Kawabuchi. Formal analysis: HO M. Kayaba. Funding acquisition: KT. Investigation: KI R. Kawabuchi R. Kurihara IP M. Kobayashi HO M. Kayaba. Methodology: KI R. Kawabuchi KT. Project administration: KT. Supervision: YN MS. Writing – original draft: KI R. Kawabuchi KT. Writing – review & editing: YN MS.