Havelka, Daniel
Deriu, Marco A. http://orcid.org/0000-0003-1918-1772
Cifra, Michal http://orcid.org/0000-0002-8853-9523
Kučera, Ondřej
Article History
Received: 2 September 2015
Accepted: 12 May 2017
First Online: 26 June 2017
Competing Interests
: The authors declare that they have no competing interests.