Schneider, Matthias
Borger, Valeri
Grigutsch, Daniel
Güresir, Ági
Potthoff, Anna-Laura
Velten, Markus
Vatter, Hartmut
Güresir, Erdem
Schuss, Patrick
Article History
Received: 13 November 2019
Revised: 5 March 2020
Accepted: 6 March 2020
First Online: 24 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The present study was approved by the local ethics committee of the University of Bonn.
: Informed consent was not sought as a retrospective design was used.