Funding for this research was provided by:
Johann Wolfgang Goethe-Universität, Frankfurt am Main
Received: 15 October 2020
Accepted: 4 August 2021
First Online: 12 August 2021
: The study was approved by the Ethics Committee FB05 of the Goethe University of Frankfurt am Main and was in agreement with the Declaration of Helsinki (Version Fortaleza 2013), and written informed consent was obtained from all participants.
: Not applicable.
: JH is employee of Sandoz/Hexal since January 2020 which had no influence on conducting the study and interpreting the results. JF declares no conflict of interest.