Luger, Matthias http://orcid.org/0000-0002-4708-5254
Feldler, Sandra
Schauer, Bernhard
Hochgatterer, Rainer
Gotterbarm, Tobias
Klasan, Antonio
Funding for this research was provided by:
Johannes Kepler University Linz
Article History
Received: 23 September 2021
Accepted: 26 January 2022
First Online: 18 February 2022
Declarations
:
: One co-author (R.H) has received consultant honoraria of ZimmerBiomet, Europe, outside the submitted work. We report personal fees paid to one co-author (T.G.) during the conduct of the study from Zimmer Biomet, Europe and from Depuy Synthes Orthopädie Gmbh, Peter Brehm GmbH, ImplanTec GmbH outside the submitted work. We report research grants paid to our institution during the conduct of the study from Zimmer Biomet, Europe, Mathys AG Switzerland, Anika Therapeutics outside the submitted work.
: This study received ethical approval from the local institutional review board of the “Ethikkommission OÖ” of the Johannes Kepler University Linz (JKU Linz) (EK-No.: 1239/2019).
: The study was approved by the institutional review board (EK-No.: 1239/2019) in accordance with the World Medical Association Declaration of Helsinki. Because of the retrospective evaluation of pre-existing medical records an informed consent was not required.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was not required because of the retrospective study design.