Hegemann, Nina-Sophie http://orcid.org/0000-0002-2091-3603
Koepple, Rebecca
Walter, Franziska
Boeckle, David
Fendler, Wolfgang P.
Angele, Martin Kurt
Boeck, Stefan
Belka, Claus
Roeder, Falk
Article History
Received: 11 May 2017
Accepted: 5 January 2018
First Online: 18 January 2018
Compliance with ethical guidelines
:
: N.-S. Hegemann, R. Koepple, F. Walter, D. Boeckle, W.P. Fendler, M.K. Angele, S. Boeck, C. Belka and F. Roeder declare that they have no competing interests.
: This retrospective analysis was performed according to the principles of the Declaration of Helsinki and its subsequent amendments [CitationRef removed]. This retrospective analysis was approved by the local ethics committee. All patients gave written informed consent prior to treatment start.