Received: 1 December 2020
Accepted: 25 March 2021
First Online: 1 April 2021
: Every patient consented to anonymous data collection and the retrospective evaluation of patient and treatment data was approved by the local ethics committee (ProjectID 2019-00684).
: All authors proof-read, edited, approved the final manuscript and provided their consent for publication.
: The authors declare that they have no competing interests.