Froehner, Michael
Koch, Rainer
Hübler, Matthias
Heberling, Ulrike
Novotny, Vladimir
Zastrow, Stefan
Hakenberg, Oliver W.
Wirth, Manfred P.
Article History
Received: 1 November 2017
Accepted: 4 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: Institutional review board approval was obtained (Ethikkommission des Universitätsklinikums Dresden, EK84032009).
: Not applicable.
: Competing financial interests: The authors declare that they have no competing interests..
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