Steinbrück, Arnd
Grimberg, Alexander W.
Elliott, Johanna
Melsheimer, Oliver
Jansson, Volkmar
Article History
Accepted: 4 February 2021
First Online: 5 March 2021
Compliance with ethical guidelines
:
: A. Steinbrück, A.W. Grimberg, J. Elliott, O. Melsheimer and V. Jansson declare that they have no competing interests. A. Steinbrück is member of the committee “Evidence-based medicine in Orthopaedics and Traumatology” of the German Society for Orthopaedics and Trauma (DGOU).
: The collection of registry-based data was approved by the ethics committee of the medical school of the Kiel University: Approval number D 473/11. For this article no studies with animals were performed by any of the authors. All studies mentioned were in accordance with the ethical standards indicated in each case. Informed consent was obtained from all individual participants included in the study.