Buh, Jože
Kabanov, Viktor
Baranov, Vladimir http://orcid.org/0000-0002-1218-499X
Mrzel, Aleš
Kovič, Andrej
Mihailovic, Dragan
Article History
Received: 27 July 2015
Accepted: 19 November 2015
First Online: 21 December 2015
Competing interests
: The authors declare no competing financial interests.