Funding for this research was provided by:
Charité
Article History
Received: 14 April 2020
Accepted: 14 August 2020
First Online: 16 September 2020
Compliance with ethical guidelines
:
: L.A. Danyel, G. Bohner, F. Connolly and E. Siebert declare that they have no competing interests.
: Study approval was obtained from the local ethics committee (Charité, Universitätsmedizin Berlin, EA1/177/19). Consent to participate: not applicable (retrospective analysis)