Meyer, Annika
Stosch, Christoph
Klatt, Andreas R.
Streichert, Thomas
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 18 March 2022
Accepted: 4 July 2022
First Online: 19 July 2022
Declarations
:
: Prior to its initiation, this study was evaluated and approved by the ethics committee of the University Hospital Cologne on August 20, 2021 (approval number: 21–1332). All methods were performed according to the guidelines of this ethics committee as well as the Declaration of Helsinki. The retrospective personal data were accessed only by authorized personnel. The need for informed consent was waived by the ethics committee of the University Hospital Cologne, because of the retrospective nature of the study.
: Not applicable.
: Not applicable.