Funding for this research was provided by:
State Chamber of Physicians of Saxony
Received: 15 February 2021
Accepted: 15 July 2021
First Online: 29 July 2021
: This study was approved by the ethics committee of the University of Leipzig (reference number: 196/19-ek). Participants have given consent for their data to be used in the research.
: Not applicable.
: The authors declare that they have no competing interests.