Published on in Vol 7, No 6 (2019): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11917, first published
.
![Weight Loss Following Use of a Smartphone Food Photo Feature: Retrospective Cohort Study Weight Loss Following Use of a Smartphone Food Photo Feature: Retrospective Cohort Study](https://asset.jmir.pub/assets/5d77e051eb773726277929f27e7e80d4.png 480w,https://asset.jmir.pub/assets/5d77e051eb773726277929f27e7e80d4.png 960w,https://asset.jmir.pub/assets/5d77e051eb773726277929f27e7e80d4.png 1920w,https://asset.jmir.pub/assets/5d77e051eb773726277929f27e7e80d4.png 2500w)
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