Received: 17 October 2021
Accepted: 7 March 2022
First Online: 16 March 2022
: Data acquisition and analysis were performed in compliance with protocols approved by the Ethical Committee of Heidelberg University Hospital (Ethikkommission - Medizinische Fakultät Heidelberg). The study was registered in the local register of clinical studies and was conducted in accordance with the Declaration of Helsinki. Informed consent was obtained from all patients/parents before inclusion in the study.
: Informed consent was obtained from all patients/parents before inclusion in the study and anonymous publication of the results.
: The authors declare that they have no competing interests.