About the Authors

Yoshinori Katsumata

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Validation, Visualization, Writing – original draft

goodcentury21@keio.jp

Affiliations Institute for Integrated Sports Medicine, Keio University School of Medicine, Tokyo, Japan, Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Motoaki Sano

Roles Investigation, Supervision, Writing – review & editing

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Hiroki Okawara

Roles Data curation, Formal analysis

Affiliation Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan

Tomonori Sawada

Roles Data curation, Formal analysis

Affiliation Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan

Daisuke Nakashima

Roles Resources, Software

Affiliation Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan

Genki Ichihara

Roles Data curation, Formal analysis

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Keiichi Fukuda

Roles Supervision

Affiliation Department of Cardiology, Keio University School of Medicine, Tokyo, Japan

Kazuki Sato

Roles Supervision

Affiliation Institute for Integrated Sports Medicine, Keio University School of Medicine, Tokyo, Japan

Eiji Kobayashi

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliation Department of Organ Fabrication, Keio University School of Medicine, Tokyo, Japan

Competing Interests

The authors have read the journal’s policy and have the following competing interests: YK has a financial relationship with Kimura Memorial Heart Foundation Research Grant for 2019, Suzuken Memorial Foundation, Foundation for Total Health Promotion, and Research Grant for Public Health Science. EK and YK have a financial relationship with the research grant from Nippon Medical & Chemical Instruments Co. Ltd. DN is the shareholder and CEO of Grace imaging Inc. which provided the lactate sensor equipment. MS, HO, TS, GI, and KS declare that they have no competing interests. This does not alter our adherence to PLOS ONE policies on sharing data and materials.