Heger, Zbynek
Polanska, Hana
Merlos Rodrigo, Miguel Angel
Guran, Roman
Kulich, Pavel
Kopel, Pavel
Masarik, Michal
Eckschlager, Tomas
Stiborova, Marie
Kizek, Rene
Adam, Vojtech
Article History
Received: 11 April 2016
Accepted: 25 August 2016
First Online: 20 September 2016
Competing interests
: The authors declare no competing financial interests.