Published on in Vol 5, No 1 (2021): January
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/20410, first published
.
![The Use of Small Electronic Devices and Health: Feasibility of Interventions for a Forthcoming Crossover Design The Use of Small Electronic Devices and Health: Feasibility of Interventions for a Forthcoming Crossover Design](https://asset.jmir.pub/assets/8963a8241568b8479d2c0a0ecb2d0667.png 480w,https://asset.jmir.pub/assets/8963a8241568b8479d2c0a0ecb2d0667.png 960w,https://asset.jmir.pub/assets/8963a8241568b8479d2c0a0ecb2d0667.png 1920w,https://asset.jmir.pub/assets/8963a8241568b8479d2c0a0ecb2d0667.png 2500w)
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