Published on in Vol 7, No 4 (2019): April

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/12512, first published .
Physical Activity and Mobile Phone Apps in the Preschool Age: Perceptions of Teachers and Parents

Physical Activity and Mobile Phone Apps in the Preschool Age: Perceptions of Teachers and Parents

Physical Activity and Mobile Phone Apps in the Preschool Age: Perceptions of Teachers and Parents

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