Peter, Gföller
Hoser, Christian
Runer, Armin
Abermann, Elisabeth
Wierer, Guido
Fink, Christian
Article History
Received: 18 June 2018
Accepted: 17 October 2018
First Online: 29 October 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.
: Informed consent was obtained written and verbally from all participants included in the study.
: The study was approved by the ethics committee of the Medical University of Innsbruck (AN2015-0050).