Tugendsam, Christina
Petz, Veronika
Buchinger, Wolfgang
Schmoll-Hauer, Brigitta
Schenk, Iris Pia
Rudolph, Karin
Krebs, Michael
Zettinig, Georg
Article History
Received: 9 March 2018
Accepted: 23 April 2018
First Online: 9 May 2018
Ethics approval and consent to participate
: The ethic committee of the Medical University of Vienna approved this study which did not involve direct patient care. (1461/2015).
: All authors gave their approval for the final version to be published and agree to be accountable for this work.
: The authors declare that they have no competing interests.
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