Bemtgen, Xavier http://orcid.org/0000-0001-7309-7729
Schroth, Florentine
Wengenmayer, Tobias
Biever, Paul M.
Duerschmied, Daniel
Benk, Christoph
Bode, Christoph
Staudacher, Dawid L.
Article History
Received: 19 February 2019
Accepted: 29 April 2019
First Online: 21 May 2019
Ethics approval and consent to participate
: This retrospective study was approved by the ethics committee of the University of Freiburg, Germany (525/17).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.