Kratochvílová, M.
Prokleška, J.
Uhlířová, K.
Tkáč, V.
Dušek, M.
Sechovský, V.
Custers, J.
Article History
Received: 6 July 2015
Accepted: 6 October 2015
First Online: 30 October 2015
Competing interests
: The authors declare no competing financial interests.