Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (FI 773/15-1)
Received: 23 February 2022
Accepted: 21 April 2022
First Online: 30 May 2022
: The authors confirm that the approval of an institutional review board was not required for this work and that the work was conducted in accordance to the Declaration of Helsinki.
: The patient gave written informed consent for video documentation and online publication.
: The authors declare that they have no competing interests.