Moritz, Andreas
Irouschek, Andrea
Birkholz, Torsten
Prottengeier, Johannes
Sirbu, Horia
Schmidt, Joachim
Funding for this research was provided by:
Friedrich-Alexander-Universität Erlangen-Nürnberg
Article History
Received: 13 March 2018
Accepted: 19 June 2018
First Online: 25 June 2018
Ethics approval and consent to participate
: Prior to this study, the local ethics committee (Ethics Committee of the Friedrich-Alexander University Erlangen-Nürnberg) confirmed that no further patients consent and institutional ethical approval were required. This decision was based on the retrospective, descriptive and anonymous study design and the fully closed patient files.
: Not applicable.
: The authors declare that they have no competing interests.
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