Springer, Bernhard http://orcid.org/0000-0002-3094-4761
Bechler, Ulrich http://orcid.org/0000-0002-8311-602X
Waldstein, Wenzel http://orcid.org/0000-0003-0218-1426
Rueckl, Kilian http://orcid.org/0000-0002-9965-1799
Boettner, Cosima S.
Boettner, Friedrich http://orcid.org/0000-0002-7906-9486
Article History
Received: 29 June 2019
Accepted: 25 September 2019
First Online: 8 October 2019
Compliance with ethical standards
:
: Dr. Boettner has received royalties by Smith and Nephew and Orthodevelopment. Dr. Boettner has also received compensation by Smith and Nephew, Orthodevelopment and DePuy. All other authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors. Number of ethical approval: 2018-0697-CR1 IRB- contact person: castelc@hss.edu.