Received: 2 November 2021
Accepted: 5 December 2021
First Online: 20 December 2021
: 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) 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.
: Not applicable.
: 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.