Funding for this research was provided by:
RWTH Aachen University
Received: 19 February 2022
Accepted: 27 April 2022
First Online: 13 May 2022
: The study was reviewed by the Ethics Committee of the Medical Faculty of Aachen (EK303-18). All individuals and caregivers gave written informed consent before participation. The study was performed in accordance with the Declaration of Helsinki of the World Medical Association.
: The families consented in publication.
: The authors declare that they have no competing interests.