Huemer, J.
Völkl-Kernstock, S.
Yee, A.
Bruckner, T.
Skala, Katrin
Article History
Received: 21 December 2015
Accepted: 25 February 2016
First Online: 9 March 2016
Compliance with ethical standards
:
: None
: The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008. Ethical approval was obtain from the Ethics Committee of the Medical University of Vienna.