Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (MA 5158/1-1)
Medizinischen Fakultät, Ludwig-Maximilians-Universität München (FöFoLe)
Received: 27 September 2019
Accepted: 21 October 2020
First Online: 29 October 2020
Ethics approval and consent to participate
: The study was approved by the responsible Ludwig-Maximilians-University medical center ethics committee. Based on the study design using disposable material, no patient consent was required.
: The authors indicate no potential conflict of interests.