Arturas Inciura initiated the study, participated in its design and coordination, carried out the study, and drafted the manuscript. Andrius Simavicius carried out the study. Elona Juozaityte participated in the design and coordination of the study. Juozas Kurtinaitis performed the statistical analysis. Ruta Nadisauskiene participated in the coordination of the study. Eimantas Svedas participated in the design of the study and helped to draft the manuscript. Skirmantas Kajenas participated in the coordination of the study. All the authors read and approved the final manuscript.

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