Funding for this research was provided by:
Received: 3 October 2021
Accepted: 27 October 2021
First Online: 13 November 2021
: This study was carried out in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of the General Medical Council Westfalen-Lippe and WWU Münster (no. 2021-017-f-N) and by the Competent Ethics Committees of University of Leipzig (no. 264-14-25082014) and University of Duesseldorf (no. 2020-960).
: Not applicable.
: AR, EP, MM, AG, JD, HP, MB, and PK declare that they have no competing interests.