Kruis, Tassilo
Güse-Jaschuck, Sarah
Siegmund, Britta
Adam, Thomas
Epple, Hans-Jörg
Article History
Received: 11 September 2019
Accepted: 21 February 2020
First Online: 12 March 2020
Ethics approval and consent to participate
: The study was approved by the internal review board (local ethics committee of Charité – Universitätmedizin Berlin; registry number EA2/033/16). The need for informed consent was waived for this retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.