Palkovits, Stefan
Lasta, Michael
Told, Reinhard
Schmidl, Doreen
Werkmeister, René
Cherecheanu, Alina Popa
Garhöfer, Gerhard
Schmetterer, Leopold
Article History
Received: 20 May 2015
Accepted: 2 September 2015
First Online: 17 December 2015
Competing interests
: The authors declare no competing financial interests.