Funding for this research was provided by:
HELIOS Universitätsklinikum Wuppertal
Article History
Received: 11 February 2020
Revised: 6 April 2020
Accepted: 11 May 2020
First Online: 30 May 2020
Conflict of interest
: A. Tropine, A. Moussa-Pacha and S. Tritt declare that they have no competing interests.