Published on in Vol 6, No 8 (2018): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/10527, first published
.
![Accuracy of Fitbit Devices: Systematic Review and Narrative Syntheses of Quantitative Data Accuracy of Fitbit Devices: Systematic Review and Narrative Syntheses of Quantitative Data](https://asset.jmir.pub/assets/6ba9d68c61bc7917f1ded8afcdf11562.png 480w,https://asset.jmir.pub/assets/6ba9d68c61bc7917f1ded8afcdf11562.png 960w,https://asset.jmir.pub/assets/6ba9d68c61bc7917f1ded8afcdf11562.png 1920w,https://asset.jmir.pub/assets/6ba9d68c61bc7917f1ded8afcdf11562.png 2500w)
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