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Authors
Hesse, Nikolas
Lieber, Jan
van Hedel, Hubertus J. A.
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Funding
Funding for this research was provided by:
Anna-Müller-Grocholski foundation
Fondation Valery
Majores Stiftung
Fondation Sanare
Robert und Ruth Heuberger-Stiftung
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Article History
Received: 3 March 2026
Accepted: 8 May 2026
First Online: 21 May 2026
Declarations
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: Participants and parents were informed verbally and in writing. All had to agree verbally before participating. Parents and participants aged 14 years and older were also required to provide written informed consent. Participants could withdraw from the study at any time. This study was approved by the ethics committee of the canton of Zurich (BASEC-Nr. PB_2016-01843).
: We obtained consent for the publication of Fig. 1 from the depicted person.
: NH is working part-time for Epic Games, but this research was performed solely with Swiss Children’s Rehab. The other authors declare that they have no conflict of interest.
