Funding for this research was provided by:
Else Kröner-Fresenius-Stiftung (2015_A33)
Johanna und Fritz Buch Gedächtnis-Stiftung
Clinician Scientist Program of the University of Hamburg
Universitätsklinikum Hamburg-Eppendorf (UKE)
Received: 20 November 2021
Accepted: 14 February 2022
First Online: 19 May 2022
: Ethical approval for this study (PV 4782) was provided by the Ethical Committee at the Hamburg Chamber of Physicians (Vice-Chairperson Prof. Dr. M. Carstensen) on September 2nd, 2014. Written informed consent was obtained from all patients before initiation of study-related procedures.
: Not applicable
: The authors declare that they have no competing interests.