Roier, Sandro
Zingl, Franz G.
Cakar, Fatih
Durakovic, Sanel
Kohl, Paul
Eichmann, Thomas O.
Klug, Lisa
Gadermaier, Bernhard
Weinzerl, Katharina
Prassl, Ruth
Lass, Achim
Daum, Günther
Reidl, Joachim
Feldman, Mario F.
Schild, Stefan
Article History
Received: 23 July 2015
Accepted: 15 December 2015
First Online: 25 January 2016
Competing interests
: The authors declare no competing financial interests.