Funding for this research was provided by:
German Federal Joint Committee (01NVF17028)
Universitätsklinikum Hamburg-Eppendorf (UKE)
Received: 5 July 2021
Accepted: 24 August 2021
First Online: 9 September 2021
: The study was carried out according to the Declaration of Helsinki and was approved by the Medical Chamber Hamburg (PV7161) and was preregistered at ClinicalTrials.gov (NCT04382820).
: Not applicable.
: All authors declare that they have no competing interests.