Liduma, Sanita
Luguzis, Artis
Krumina, Gunta
Article History
Received: 5 February 2020
Accepted: 17 November 2020
First Online: 26 November 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were approved by national research committee (Ethical Commission of the University of Latvia approved by Liga Plakane and Talivaldis Freivalds). Informed consent was obtained verbal from all individual participants included in the study. The main reason of that is because some of the data has been obtained previously. The verbal consent form was accepted by ethical commission.
: Not applicable.
: Not applicable.