About the Authors

Tanja Freis

tanja.freis@freenet.de

Affiliation Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany

Anne Hecksteden

Affiliation Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany

Ulf Such

Affiliation Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany

Tim Meyer

Affiliation Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: TF AH US TM. Data curation: TF AH US TM. Formal analysis: TF AH US TM. Investigation: TF AH US TM. Methodology: TF AH US TM. Project administration: TF AH US TM. Software: TF AH US TM. Supervision: TF AH US TM. Validation: TF AH US TM. Visualization: TF AH TM. Writing – original draft: TF. Writing – review & editing: AH TM.