A hundred and eighty (n=180) children, aged from 7
to 12 years old, from three different primary schools in
Thessaloniki, Greece, one located in the west region, one
in the east region and one in the center of Thessaloniki,
participated voluntarily in this study.
A hundred and eighty (n=180) children, aged from 7to 12 years old, from three different primary schools inThessaloniki, Greece, one located in the west region, onein the east region and one in the center of Thessaloniki,participated voluntarily in this study.
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