Funding for this research was provided by:
Heinrich-Heine-Universität Düsseldorf
Article History
Received: 24 May 2021
Accepted: 6 March 2022
First Online: 29 March 2022
Declarations
:
: The study was conducted in accordance with the principles expressed in the Declaration of Helsinki and was approved by the ethics committee of the medical faculty at the Heinrich Heine University (study number: 6112). All participants gave written informed consent before their enrolment.
: Not applicable.
: The authors declare that they have no competing interests.