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Authors
Urbach, Horst https://orcid.org/0000-0001-7264-4807
Berger, Benjamin
Solymosi, Laszlo
Zimmermann, Julian
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Article History
Received: 25 January 2020
Accepted: 13 March 2020
First Online: 26 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the 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.
: As this was a retrospective study, informed consent was waived.
