Magill, Lucy
Laemmer, Constanze
Woelfle, Joachim
Fimmers, Rolf
Gohlke, Bettina https://orcid.org/0000-0003-1432-1465
Article History
Received: 16 May 2020
Accepted: 7 September 2020
First Online: 12 October 2020
Ethics approval and consent to participate
: Written informed consent was obtained from all parents and the study was approved by the ethics committee of the University Hospital of Bonn.
: Not applicable.
: The authors declare that they have no competing interests.