Funding for this research was provided by:
Private Universität Witten/Herdecke gGmbH
Received: 31 August 2021
Accepted: 16 December 2021
First Online: 27 December 2021
: The study was approved by the local Ethics Commission at Witten/Herdecke University (ethics vote No. 57/2017) and conducted in accordance with the World Medical Association Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.