Stratmann, Katharina http://orcid.org/0000-0002-0232-6958
Czerwinska, Katarzyna
Filmann, Natalie
Tacke, Wolfgang
Weber, Christoph
Bock, Herbert
Blumenstein, Irina
Funding for this research was provided by:
Johann Wolfgang Goethe-Universität, Frankfurt am Main
Article History
Accepted: 24 February 2021
First Online: 5 March 2021
Declarations
:
: The principle of a pseudonymized (each patient was encoded by sex, age and the first three digits of the postal code) documentation was approved by the local ethics committee of the medical department of Goethe University in Frankfurt on 5th September 2019 (Ethik-Kommission des Fachbereichs Medizin der Goethe Universität Frankfurt, 5th September 2019), no. 19-356.All the principles outlined in the Declaration of Helsinki of 1975 have been followed in this retrospective study.
: The authors declare that there are no conflicts of interest.