Lousada, Cláudio M.
Soroka, Inna L.
Yagodzinskyy, Yuriy
Tarakina, Nadezda V.
Todoshchenko, Olga
Hänninen, Hannu
Korzhavyi, Pavel A.
Jonsson, Mats
Article History
Received: 18 December 2015
Accepted: 22 March 2016
First Online: 18 April 2016
Competing interests
: The authors declare no competing financial interests.