PMC:7796176 / 3979-4249 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T29","span":{"begin":69,"end":210},"obj":"Sentence"},{"id":"T30","span":{"begin":212,"end":214},"obj":"Sentence"},{"id":"T31","span":{"begin":215,"end":236},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"al activity, screen time, and sleep among toddlers and preschoolers. In particular, we aimed to explore the sociodemographic factors associated with changes in these movement behaviors in this population group.\n\n2. Materials and Methods\nMain caregivers of 1- to 5-year-o"}