Scheer, Tristan
Klotsche, Jens
Len, Claudio A.
Foeldvari, Ivan
Article History
Received: 15 July 2019
Accepted: 16 October 2019
First Online: 30 October 2019
Compliance with ethical standards
:
: Tristan Scheer, Jens Klotsche, Claudio A. Len and Ivan Foeldvari declare that they have no conflict of interest.
: The study design was a retrospective data analysis. According to the Institutional Review Board (IRB) of Medical Council in Hamburg no IRB decision is needed, if anonymized data are used in a retrospective chart review and parents agreed that patient’s data could be explored for scientific purposes.
: Informed consent was obtained from all individual participant’s legal guardians included in the study.