Juras, Anna
Krzewińska, Maja
Nikitin, Alexey G.
Ehler, Edvard
Chyleński, Maciej
Łukasik, Sylwia
Krenz-Niedbała, Marta
Sinika, Vitaly
Piontek, Janusz
Ivanova, Svetlana
Dabert, Miroslawa
Götherström, Anders
Article History
Received: 31 October 2016
Accepted: 31 January 2017
First Online: 7 March 2017
Competing interests
: The authors declare no competing financial interests.