Published on in Vol 6, No 9 (2018): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10799, first published
.
![Text Messaging Interventions for Improvement in Physical Activity and Sedentary Behavior in Youth: Systematic Review Text Messaging Interventions for Improvement in Physical Activity and Sedentary Behavior in Youth: Systematic Review](https://asset.jmir.pub/assets/16e827ae46ad96da7e7698e70d75ff4a.png 480w,https://asset.jmir.pub/assets/16e827ae46ad96da7e7698e70d75ff4a.png 960w,https://asset.jmir.pub/assets/16e827ae46ad96da7e7698e70d75ff4a.png 1920w,https://asset.jmir.pub/assets/16e827ae46ad96da7e7698e70d75ff4a.png 2500w)
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