Ettinger, S.
Gottschalk, O.
Kostretzis, L.
Plaas, C.
Körner, D.
Walther, M.
Becher, C. http://orcid.org/0000-0003-2934-386X
Funding for this research was provided by:
Deutsche Arthrose-Hilfe e.V.
Stiftung Oskar-Helene-Heim
Article History
Received: 25 May 2020
Accepted: 30 September 2020
First Online: 13 October 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The local ethic committees at all participating clinical centers gave their approval.
: Informed consent was obtained from all individual participants included in the registry.