Achtnich, Andrea
Petersen, Wolf
Willinger, Lukas
Sauter, Andreas
Rasper, Michael
Wörtler, Klaus
Imhoff, Andreas B.
Diermeier, Theresa
Funding for this research was provided by:
Deutsche Arthrosehilfe
Article History
Received: 12 January 2018
Accepted: 28 February 2018
First Online: 6 March 2018
Compliance with ethical standards
:
: All other authors declare that they have no conflict of interest related to this study.
: 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.
: Informed consent was obtained from all individual participants included in the study.