Published on in Vol 9, No 10 (2021): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/26712, first published
.
![The Functionality of Mobile Apps for Anxiety: Systematic Search and Analysis of Engagement and Tailoring Features The Functionality of Mobile Apps for Anxiety: Systematic Search and Analysis of Engagement and Tailoring Features](https://asset.jmir.pub/assets/ac1c6dcd809b88557c358305a1a93bb4.png 480w,https://asset.jmir.pub/assets/ac1c6dcd809b88557c358305a1a93bb4.png 960w,https://asset.jmir.pub/assets/ac1c6dcd809b88557c358305a1a93bb4.png 1920w,https://asset.jmir.pub/assets/ac1c6dcd809b88557c358305a1a93bb4.png 2500w)
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