Gföller, Peter
Abermann, Elisabeth
Runer, Armin
Hoser, Christian
Pflüglmayer, Mario
Wierer, Guido
Fink, Christian
Article History
Received: 7 June 2018
Accepted: 13 November 2018
First Online: 22 November 2018
Compliance with ethical standards
:
: Christan Fink receives royalties from Karl Storz and consultancies from Karl Storz, Medacta and Zimmer BioMed. All other authors declare that they have no conflict of interest.
: The IRB approval for this study was waived by the ethics committee of the Medical University of Innsbruck.