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Authors
Berninger, M. T. http://orcid.org/0000-0003-0409-3868
Friederichs, J.
Leidinger, W.
Augat, P.
Bühren, V.
Fulghum, C.
Reng, W.
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Article History
Received: 3 January 2018
Accepted: 2 July 2018
First Online: 24 July 2018
Ethics approval and consent to participate
: This study adhered to the tenets of the Helsinki Declaration and its later amendments. It was conducted according to ICMJE guidelines. Written consent was obtained from all participants for the surgical and anesthetic procedures; further consent for retrospective analysis of the data was waived by the Ethics Committee of the Bavarian State Chamber of Physicians (ID: 2017–109).
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
