Funding for this research was provided by:
Universitätsklinikum Hamburg-Eppendorf (UKE)
Received: 3 November 2020
Accepted: 22 March 2021
First Online: 7 April 2021
: The study was conducted in accordance with the Declaration of Helsinki and the ethical statement was obtained from the medical council of Hamburg (application number: PV7333). Prior to investigation, all individuals gave their written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.