Glitz, Karl Jochen
Freitag, Stefan
Seibel, Uwe
Rohde, Ulrich
Witzki, Alexander
Piekarski, Claus
Hoffmann, Manuela Andrea
Article History
Received: 24 March 2025
Accepted: 17 July 2025
First Online: 13 October 2025
Declarations
:
: The volunteers gave their informed written consent to participate in this study. The study protocol was approved by the Ethics Committee of the Medical Association of the Federal State Rhineland-Palatinate [reference number 837.526.13 (9211), 15.04.2014]. Prior to testing, each person was medically examined (including resting and exercise ECG) and familiarised with the test procedures. A further medical interview or, if deemed necessary by the physician overseeing medical safety (medical supervisor), a medical check-up was conducted before test repetition.
: “Not applicable”, while this manuscript does not contain data from any individual person.
: The authors declare no competing interests.