Received: 16 July 2019
Accepted: 4 March 2020
First Online: 26 March 2020
Ethics approval and consent to participate
: The Potsdam University Clinical Exercise Science Institutional Research Committee approved the study. All participants were clearly (verbally and in written form) informed about all procedure details. All included participants signed a written informed consent. The institutional research committee approved the study, according to the Declaration of Helsinki and its amendment in 2008.Reference Number: not applicable
: Not applicable.
: The authors declare that they have no competing interests.