Bühne, David http://orcid.org/0000-0002-1123-0843
Alles, Torsten
Hetzel, Christian http://orcid.org/0000-0002-4767-8244
Streibelt, Marco
Froböse, Ingo
Bethge, Matthias http://orcid.org/0000-0002-6417-7812
Article History
Received: 22 May 2019
Accepted: 7 January 2020
First Online: 3 February 2020
Compliance with ethical standards
:
: Some authors are employees of the Institute for Quality Assurance in Prevention and Rehabilitation at the German Sport University Cologne, which is responsible for the development and training of ELA. The other authors declare that they have no conflict of interest.
: All subjects gave their informed written consent and the study was approved by the Ethics Committee of the German Sport University Cologne.