Mehl, Julian http://orcid.org/0000-0002-9965-5722
Otto, A.
Willinger, L.
Hapfelmeier, A.
Imhoff, A. B.
Niemeyer, P.
Angele, P.
Zinser, W.
Spahn, G.
Schmitt, A.
Funding for this research was provided by:
Deutsche Arthrose-Hilfe
Stiftung Oskar-Helene-Heim
Article History
Received: 6 July 2018
Accepted: 27 September 2018
First Online: 3 October 2018
Compliance with ethical standards
:
: P.A. reports consulting for Arthrex and Aesculap outside the submitted work. P.N. reports consulting for Arthrex and honoraria from Codon, Stryker and Aesculap outside the submitted work. A.B.I. reports consulting for Arthrosurface and medi and royalties from Arthrex and Arthrosurface outside the submitted work. W.Z. reports grants from Codon and honoraria from Plasmaconcept outside the submitted work. All other authors declare that they have no conflicts of interest.
: The German Cartilage Registry is conducted in accordance with the 1964 Declaration of Helsinki and registered at germanctr.de (DRKS00005617). The registration of data was approved by the local ethics committees of every participating institution. Primary approval was given by the ethics committee at the University of Freiburg (No. 520/14).
: Informed consent was obtained from all individual participants included in the study.