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Authors
Viksna, Juris http://orcid.org/0000-0003-2283-2978
Melkus, Gatis
Celms, Edgars
Čerāns, Kārlis
Freivalds, Karlis
Kikusts, Paulis
Lace, Lelde
Opmanis, Mārtiņš
Rituma, Darta
Rucevskis, Peteris
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Article History
Received: 12 November 2019
Accepted: 14 November 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
