About the Authors

Toshinobu Kawai

Roles Conceptualization, Formal analysis, Methodology, Writing – original draft

kawai.toshinobu.gp@u.tsukuba.ac.jp

Affiliations Institute of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan, Department of Integrated Applied Life Science, Integrated Graduate School of Medicine, Engineering and Agricultural Sciences, University of Yamanashi, Chuo, Yamanashi, Japan

Zentaro Yamagata

Roles Conceptualization, Methodology, Supervision, Writing – review & editing

Affiliations Department of Health Sciences, Faculty of Medicine, University of Yamanashi, Chuo, Yamanashi, Japan, Center for Birth Cohort Studies, University of Yamanashi, Chuo, Yamanashi, Japan

Competing Interests

The authors have declared that no competing interests exist.