Zapp, Daniel
Loos, Daria
Feucht, Nikolaus
Khoramnia, Ramin
Tandogan, Tamer
Reznicek, Lukas
Mayer, Christian
Article History
Received: 6 September 2017
Accepted: 20 April 2018
First Online: 3 May 2018
Ethics approval and consent to participate
: The study was conducted in accordance with the tenets of the Declaration of Helsinki and approved by the internal Institutional Review Board of Klinikum rechts der Isar, Technical University of Munich.
: The authors declare that they have no competing interests.
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