Received: 11 June 2020
Accepted: 27 October 2020
First Online: 12 November 2020
Ethics approval and consent to participate
: The conducted study contains a retrospective analysis of medical records of a prospectively maintained database. The ethics approval and consent was given for the conducted retrospective data analysis. The ethical commission of the Faculty of Medicine, University Hospital Tübingen, had no considerations regarding the planned study. The approval was given with the project number 555/2019BO2.
: All participants gave their consent for evaluation and publishing.
: There are no financial and non-financial competing interests to declare. The authors declare that they have no competing interests.