About the Authors

Kay Winkert

Roles Conceptualization, Data curation, Formal analysis, Investigation, Visualization, Writing – original draft

kay.winkert@unu-ulm.de

Affiliation Division of Sports and Rehabilitation Medicine, Ulm University, Ulm, Baden-Württemberg, Germany

Rupert Kamnig

Roles Investigation

Affiliation Division of Sports and Rehabilitation Medicine, Ulm University, Ulm, Baden-Württemberg, Germany

Johannes Kirsten

Roles Writing – review & editing

Affiliation Division of Sports and Rehabilitation Medicine, Ulm University, Ulm, Baden-Württemberg, Germany

Jürgen M. Steinacker

Roles Writing – review & editing

Affiliation Division of Sports and Rehabilitation Medicine, Ulm University, Ulm, Baden-Württemberg, Germany

Gunnar Treff

Roles Conceptualization, Formal analysis, Validation, Writing – review & editing

Affiliation Division of Sports and Rehabilitation Medicine, Ulm University, Ulm, Baden-Württemberg, Germany

Competing Interests

Ulm University received partial funding from COSMED (Rome, Italy), two K5 metabolic analyzers were provided for free during the study period. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Further, this does not alter our adherence to PLOS ONE policies on sharing data and materials.