Mehl, Julian http://orcid.org/0000-0002-9965-5722
Feucht, Matthias
Achtnich, Andrea
Imhoff, Andreas B.
Niemeyer, Philipp
Angele, Peter
Zinser, Wolfgang
Spahn, Gunter
Loer, Ingo
Kniffler, Heino
Schauf, Gunnar
Schmitt, Andreas
Funding for this research was provided by:
Deutsche Arthrosehilfe e.V.
Stiftung Oskar-Helene-Heim
Technische Universität München
Article History
Received: 13 May 2021
Accepted: 28 September 2021
First Online: 9 October 2021
Declarations
:
: P.A. reports consulting for Arthrex and Aesculap. 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.