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Dörr, Helmuth G. https://orcid.org/0000-0002-4838-6737
Wollmann, Hartmut A.
Hauffa, Berthold P.
Woelfle, Joachim
Article History
Received: 8 February 2018
Accepted: 24 May 2018
First Online: 8 June 2018
Ethics approval and consent to participate
: The study was exempt from written informed consent due to its retrospective design. The study was approved by the local ethics committee of the Dept. Paediatrics of Erlangen and conducted upon approval of the German Society of Paediatric Endocrinology and Diabetology. The data was collected pseudonymously by a questionnaire and in accordance with the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.
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