Schmidt, Thomas https://orcid.org/0000-0003-4977-8414
Stegelmann, Lene
Kerstin, Marleen
Taylan, Christina
Hoppe, Bernd
Brixius, Klara
Funding for this research was provided by:
ICAROS GmbH
Nephrokids Nordrhein-Westfalen e.V.
Deutsche Sporthochschule Köln (DSHS)
Article History
Received: 18 December 2025
Revised: 18 December 2025
Accepted: 6 January 2026
First Online: 15 January 2026
Declarations
:
: The study was approved by the Ethics Committee of the German Sport University Cologne (DSHS 214/2024) and the Ethics Committee of the North Rhine Medical Association (2024270) and was prospectively registered in the German Clinical Trials Register (DRKS00036108). Written informed consent was obtained from all participants and/or their legal guardians prior to study participation.
: The authors affirm that the human research participants (and/or their parents or legal guardians) provided informed consent for publication of the images presented in Fig. .
: KB serves on the scientific advisory board of ICAROS GmbH (Martinsfeld, Germany). All other authors have no relevant financial or non-financial interests to declare that are relevant to the content of this article.