Funding for this research was provided by:
Ferring Pharmaceuticals (Ferring Pharmaceuticals)
Universitätsklinikum Düsseldorf. Anstalt öffentlichen Rechts
Received: 11 December 2022
Accepted: 6 February 2023
First Online: 15 June 2023
: Approval was granted by the Ethics Committee of University Duesseldorf. The trial registration number was 2020–938. Written informed consent was obtained from each participating subject.
: Not applicable.
: The authors declare that they have no competing interests.