Kirfel, Andrea http://orcid.org/0000-0003-3503-4705
Menzenbach, Jan http://orcid.org/0000-0002-1525-6450
Guttenthaler, Vera
Feggeler, Johanna
Mayr, Andreas http://orcid.org/0000-0001-7106-9732
Coburn, Mark http://orcid.org/0000-0002-7930-0270
Wittmann, Maria http://orcid.org/0000-0003-4786-7712
Funding for this research was provided by:
Trial Centre Bonn, University Hospital Bonn (Application: 2018-FKS-01/Grant: O-417.0002)
Universitätsklinikum Bonn
Article History
Received: 2 November 2020
Accepted: 19 March 2021
First Online: 3 April 2021
Declarations
:
: The authors declare no conflict of interest.
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of University Bonn (Ethics Committee at the Medical Faculty of the Rheinische Friedrich-Wilhelms-University of Bonn) (Date 18.09.2017/No. 255/17 Ethical Approval Document 1). The study protocol including amendments was finalized on 2<sup>nd</sup> of May 2018 as version 2.1 (Ethical Approval Document 2).
: Each patient has given written informed consent to participate in the study.