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Article History

Received: 21 November 2022

Accepted: 12 April 2023

First Online: 2 May 2023

Declarations

:

: The study was conducted according to the guidelines of the Declaration of Helsinki, and was approved by the local ethics board of the University Hospital of Tübingen (registration number 304/2016BO2). Permission for using the specimens was given by the local ethics board of the University Hospital of Tübingen (Ethik-Kommission – Universitätsklinikum Tübingen). Informed consent and consent to participate was not applicable in case of cadaveric specimens. The cadaveric specimens were acquired from Science Care (Phoenix, AZ, USA), where informed consent was given prior to death. Science care is accredited by American Association of Tissue Banks.

: Consent for publication was not applicable in case of cadaveric specimens.

: This study was partly funded by Waldemar Link GmbH, but the design and execution of the experiments as well as the preparation of the manuscript were independently performed by the authors. Waldemar Link GmbH paid for the prostheses and the materials used in the study. Furthermore, Waldemar Link GmbH gave support for MM and UKH for attending one research meeting in 2019. Besides, UKH was paid for lectures by Waldemar Link GmbH. At the time while the authors performed the experiments, Waldemar Link GmbH was the main provider of the knee prostheses. All authors declare, that they have no further competing interests.