Heiss, Elke H
Liu, Rongxia
Waltenberger, Birgit
Khan, Shafaat
Schachner, Daniel
Kollmann, Paul
Zimmermann, Kristin
Cabaravdic, Muris
Uhrin, Pavel
Stuppner, Hermann
Breuss, Johannes M
Atanasov, Atanas G
Dirsch, Verena M
Article History
Received: 5 November 2015
Accepted: 12 January 2016
First Online: 9 February 2016
Competing interests
: The authors declare no competing financial interests.