Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Ec409/1-2)
Received: 19 February 2020
Accepted: 17 November 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: All studies are performed within the declaration of Helsinki. The local ethical committee has approved this study (Medical Ethics Committee of the University of Munich, 18/769). The data are available on request.
: Non applicable.
: There are no competing interests by any of the authors.