Naitoh, Yoshitaka http://orcid.org/0000-0001-6420-7682
Turanský, Robert
Brndiar, Ján
Li, Yan Jun
Štich, Ivan
Sugawara, Yasuhiro
Article History
Received: 22 June 2016
Accepted: 7 March 2017
First Online: 10 April 2017
Competing interests
: The authors declare no competing financial interests.