Grahl, C.
Hartwig, T.
Weidhase, L.
Laudi, S.
Petros, S.
Gries, A.
Bernhard, M.
Funding for this research was provided by:
Universitätsklinikum Düsseldorf. Anstalt öffentlichen Rechts
Article History
Received: 19 December 2020
Revised: 29 January 2021
Accepted: 22 March 2021
First Online: 30 April 2021
Declarations
:
: C. Grahl, T. Hartwig, L. Weidhase, S. Laudi, S. Petros, A. Gries and M. Bernhard declare that they have no competing interests.
: The study protocol was approved by the ethics committee of the Medical Faculty of the University of Leipzig, Germany (264-14-25082014 and 198/17). The requirement for consent to participate was waived by the ethics committee.