Makrecka-Kuka, Marina http://orcid.org/0000-0003-4549-1993
Sevostjanovs, Eduards
Vilks, Karlis
Volska, Kristine
Antone, Unigunde
Kuka, Janis
Makarova, Elina
Pugovics, Osvalds
Dambrova, Maija
Liepinsh, Edgars
Article History
Received: 31 August 2017
Accepted: 30 November 2017
First Online: 13 December 2017
Competing Interests
: The authors declare that they have no competing interests.