Text and Data Mining valid from 2019-02-06
Received: 22 November 2018
Accepted: 30 January 2019
First Online: 6 February 2019
Compliance with ethical standards
: Frank Martetschläger and Sepp Braun have received consulting fees from Arthrex. Andreas Imhoff has received consulting fees from Arthrex, Arthrosurface and Medi Bayreuth. Peter J. Millett has received consulting fees from Arthrex, Medbridge, Springer Publishing and royalties from Arthrex. Peter J. Millett has stock options in VuMedi and GameReady. Research activities at Steadman Philippon Research Institute are supported by Vail Valley Medical Center and corporate sponsorships by Smith&Nephew, Arthrex, Siemens and Össur. Elmar Herbst, Andreas Voss, Pia Jungmann and Lucca Lacheta declare no conflict of interests.
: The study is in accordance with the institutional ethic guidelines and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.