Blumberga, Dagnija
Priedniece, Vivita
Kalniņš, Elvis
Kirsanovs, Vladimirs http://orcid.org/0000-0003-2501-5471
Veidenbergs, Ivars
Article History
Received: 6 March 2020
Accepted: 5 May 2020
First Online: 13 May 2020
Compliance with ethical standards
:
: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.