Eckle, V.-S.
Lehmann, S.
Drexler, B.
Funding for this research was provided by:
Charité
Article History
Received: 29 May 2020
Revised: 5 August 2020
Accepted: 2 September 2020
First Online: 8 October 2020
Compliance with ethical guidelines
:
: S. Lehmann, B. Drexler and V.-S. Eckle declare that they have no competing interests.
: The retrospective study was approved by the University Hospital Tübingen ethics committee (approval reference number 401/2018BO1).