Hansen, Sylvia
Kaspar, Roman
Wagner, Michael
Woopen, Christiane
Zank, Susanne
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 8 March 2021
Accepted: 23 August 2021
First Online: 27 September 2021
Declarations
:
: S. Hansen, R. Kaspar, M. Wagner, C. Woopen and S. Zank declare that they have no competing interests.
: This study was carried out in accordance with the ethical standards of the ethics committee of the Medical Faculty of the University of Cologne and with the Helsinki Declaration of 1975 (in its most recently amended version). Informed consent was obtained from all participants included in the study.