Kristo, Ivan http://orcid.org/0000-0001-7999-1625
Schwameis, Katrin
Maschke, Svenja
Kainz, Alexander
Rieder, Erwin
Paireder, Matthias http://orcid.org/0000-0001-7119-8454
Jomrich, Gerd http://orcid.org/0000-0002-7294-4831
Schoppmann, Sebastian F. http://orcid.org/0000-0002-1725-7086
Article History
Received: 27 November 2017
Accepted: 5 June 2018
First Online: 2 July 2018
Competing Interests
: The authors declare no competing interests.