Neumann, Roland P.
Gerull, Roland
Hasler, Pascal W.
Wellmann, Sven
Schulzke, Sven M.
Article History
Received: 2 August 2023
Revised: 27 December 2023
Accepted: 28 January 2024
First Online: 24 February 2024
Competing interests
: The authors declare no competing interests.
: The Ethics Committee of Northwestern and Central Switzerland (Basel, study No. 233/13) and the Cantonal Ethics Committee (Berne, study no. 2481) approved the study. Written informed consent was obtained from a parent/guardian of each participant in the study.