Senkovs, Maris http://orcid.org/0000-0001-6773-5667
Nikolajeva, Vizma
Makarenkova, Galina
Petrina, Zaiga
Article History
Received: 21 June 2021
Accepted: 21 August 2021
First Online: 3 September 2021
Declarations
:
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.