Schnurr, Christoph https://orcid.org/0000-0002-2129-7777
Loucif, Anissa
Patzer, Theresa
Schellen, Bernd
Beckmann, Johannes https://orcid.org/0000-0002-0941-6729
Eysel, Peer
Article History
Received: 2 October 2017
First Online: 3 February 2018
Compliance with ethical standards
:
: C.S. received a speaker honorarium from B. Braun Aesculap and Brainlab, not associated to this study. JB received speaker honorarium from DePuy and Conformis, not associated to this study. No further conflict of interest existed. Results’ preparation, interpretation and discussion has not been influenced by any third party.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the local ethics committee (reference number 2015021).