Hapala, Prokop
Švec, Martin
Stetsovych, Oleksandr
van der Heijden, Nadine J.
Ondráček, Martin
van der Lit, Joost
Mutombo, Pingo
Swart, Ingmar
Jelínek, Pavel
Article History
Received: 5 November 2015
Accepted: 8 April 2016
First Online: 27 May 2016
Competing interests
: The authors declare no competing financial interests.