Nádvorník, L.
Němec, P.
Janda, T.
Olejník, K.
Novák, V.
Skoromets, V.
Němec, H.
Kužel, P.
Trojánek, F.
Jungwirth, T.
Wunderlich, J.
Article History
Received: 10 November 2015
Accepted: 24 February 2016
First Online: 16 March 2016
Competing interests
: The authors declare no competing financial interests.