Funding for this research was provided by:
Received: 25 April 2022
Accepted: 5 August 2022
First Online: 15 August 2022
: Ethics approval by the Ethics Committee of the University of Freiburg was obtained prior to inclusion of patients into the retrospective analysis. All methods were carried out in accordance with relevant guidelines and regulations. Parents gave written informed consent to participate in this study.
: Written informed consent was obtained from the parents for publication.
: All authors have no competing interests to declare pertaining to this manuscript.