About the Authors

Gunnar Wahmkow

Contributed equally to this work with: Gunnar Wahmkow, Michael Cassel

gwahmkow@uni-potsdam.de

Affiliation University outpatient clinic, University of Potsdam, Department of Sports Medicine, Am Neuen Palais 10, Haus 12, Potsdam, Germany

Michael Cassel

Contributed equally to this work with: Gunnar Wahmkow, Michael Cassel

Affiliation University outpatient clinic, University of Potsdam, Department of Sports Medicine, Am Neuen Palais 10, Haus 12, Potsdam, Germany

Frank Mayer

Affiliation University outpatient clinic, University of Potsdam, Department of Sports Medicine, Am Neuen Palais 10, Haus 12, Potsdam, Germany

Heiner Baur

Affiliations University outpatient clinic, University of Potsdam, Department of Sports Medicine, Am Neuen Palais 10, Haus 12, Potsdam, Germany, Bern University of Applied Sciences, Health, Physiotherapy, Murtenstrasse 10, Bern, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HB FM. Data curation: GW HB. Formal analysis: GW MC. Funding acquisition: HB FM. Investigation: HB MC GW. Methodology: HB MC GW. Project administration: HB FM. Resources: HB FM. Software: HB GW MC. Supervision: HB FM. Validation: HB. Visualization: GW MC HB. Writing – original draft: GW MC HB. Writing – review & editing: GW MC HB FM.