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Authors
Walter, Adeline
Böckenhoff, Paul
Geipel, Annegret
Gembruch, Ulrich
Engels, Alexander C. https://orcid.org/0000-0002-8478-5831
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Article History
Received: 24 January 2020
Accepted: 13 May 2020
First Online: 25 May 2020
Compliance with ethical standards
:
: There are no conflicts of interest to be declared by the authors.
: After consultation with the local ethics committee from the Universitiy of Bonn, they do not require formal approval for anonymized retrospective analysis of clinical data wherein informed consent was given by the patients to use their data for research; therefore, ethical approval was not necessary.
: The Patients gave individual written informed consent to clinical data collection, analysis and the use of those data for research.
