Stárek, R.
Mičuda, M.
Miková, M.
Straka, I.
Dušek, M.
Ježek, M.
Fiurášek, J.
Article History
Received: 11 July 2016
Accepted: 30 August 2016
First Online: 20 September 2016
Competing interests
: The authors declare no competing financial interests.