Pleiko, Karlis
Saulite, Liga
Parfejevs, Vadims
Miculis, Karlis
Vjaters, Egils
Riekstina, Una
Funding for this research was provided by:
University of Latvia Foundation [grant number 2182].
Article History
Received: 20 December 2018
Accepted: 21 May 2019
First Online: 31 May 2019
Competing Interests
: The authors declare no competing interests.