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Authors
Vujic, J.
Marsoner, K.
Lipp-Pump, A. H.
Klaritsch, P.
Mischinger, H. J.
Kornprat, P. http://orcid.org/0000-0003-3114-4579
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Article History
Received: 30 June 2019
Accepted: 2 October 2019
First Online: 25 October 2019
Ethics approval and consent to participate
: Since this study was retrospective in nature, the ethics board waived the need for patients’ consent to participate and the need for approval. Therefore it was not necessary that patients consented to analysis of their medical records and no further permission from the institution was required.
: Not applicable.
: All authors declare that they have no conmpeting interests or financial interests that could affect this study.
