Kostovcik, Martin
Bateman, Craig C
Kolarik, Miroslav
Stelinski, Lukasz L
Jordal, Bjarte H
Hulcr, Jiri
Article History
Received: 3 February 2014
Revised: 12 April 2014
Accepted: 4 June 2014
First Online: 1 August 2014
Competing interests
: The authors declare no conflict of interest.