Dey Hazra, Rony-Orijit
Blach, Robert
Ellwein, Alexander
Lill, Helmut
Jensen, Gunnar
Article History
Received: 10 November 2019
Accepted: 26 February 2020
First Online: 30 March 2020
Compliance with ethical guidelines
:
: H. Lill is consultant with Arthrex (Naples, USA) and DePuy Synthes (Umkirch, Deutschland). R.-O. Dey Hazra, R. Blach, A. Ellwein, and G. Jensen declare that they have no competing interests.
: This retrospective study was performed after consultation with the institutional ethics committee (Medizinische Hochschule Hannover Nr. 7503) and in accordance with national legal requirements.
: All procedures performed in studies involving human participants or on human tissue were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants included in the study.