Funding for this research was provided by:
Förderprogramm für Forschung und Lehre (895)
Hans und Klementia Langmatz Stiftung
Received: 25 January 2021
Accepted: 9 August 2021
First Online: 1 October 2021
: We hereby declare that this study was approved by the Ethics Committee of the Medical Faculty at Ludwig-Maximilian University (Study ID: 3–14).
: All participants were informed about the study procedure, possible risks and the publication of the study results. All participating families (parents and children) gave written informed consent to participate in the study.
: The authors declare that they have no competing interests.