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School-based study showed a correlation between physical activity and smartphone and tablet use by students aged eight, 11 and 14 |
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| Authors: | Anders Raustorp Nellie Spenner Agnes Wilkenson Andreas Fröberg |
| Affiliation: | Department of Food, Nutrition and Sport Science, University of Gothenburg, Gothenburg, Sweden |
| Abstract: | |
| Keywords: | Internet pedometry physical activity smartphones steps per day |