Funding for this research was provided by:
Received: 8 April 2022
Accepted: 6 June 2022
First Online: 16 June 2022
: This retrospective study protocol was approved by the ethics committee of the Medical Faculty at the University of Leipzig, Germany (Ethics Committee; 037/21-ek) and in accordance with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written consent was obtained from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.