Clasen, Dorothea
Winter, Isabel
Rietzler, Stephan
Wolf, Gerhard K.
Article History
Received: 22 September 2022
Accepted: 4 April 2023
First Online: 12 April 2023
Declarations
:
: This observational study was approved by the Ethics Committee of Ludwig-Maximilians-University Munich (Chairperson Prof. Dr. W. Eisenmenger, No.: 20–1048 dated 14.04.2021). All methods were performed in accordance with the relevant guidelines and regulations. The written informed consent of the parents or guardians was obtained via written consent.
: Not applicable.
: The authors declare no competing interests.