Weißenberger, Manuel http://orcid.org/0000-0003-3551-3204
Heinz, Tizian
Boelch, Sebastian P.
Niemeyer, Philipp
Rudert, Maximilian
Barthel, Thomas
Reppenhagen, Stephan
Article History
Received: 25 March 2019
First Online: 22 January 2020
Change Date: 5 May 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1007/s00402-021-03905-0
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The German Cartilage Registry (KnorpelRegister DGOU) is conducted in accordance with the Declaration of Helsiniki of 1964 and registered at germanctr.de (DRKS00005617). Primary ethical approval was given by the ethics committee at the University of Freiburg (No. 520/14). In addition, the registration of data was approved by the local ethics committee at the University of Wuerzburg (No. 333/15).
: Informed consent was obtained from all individual participants included in the study.