Published on in Vol 8, No 7 (2020): July
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/17760, first published
.
![The Mobile App Development and Assessment Guide (MAG): Delphi-Based Validity Study The Mobile App Development and Assessment Guide (MAG): Delphi-Based Validity Study](https://asset.jmir.pub/assets/b038dbfc89d5438781b1ecda1d080b3d.png 480w,https://asset.jmir.pub/assets/b038dbfc89d5438781b1ecda1d080b3d.png 960w,https://asset.jmir.pub/assets/b038dbfc89d5438781b1ecda1d080b3d.png 1920w,https://asset.jmir.pub/assets/b038dbfc89d5438781b1ecda1d080b3d.png 2500w)
1 Unit for the Study and Treatment of Pain-ALGOS, Research Center for Behavior Assessment, Universitat Rovira i Virgili, Tarragona, Spain
*all authors contributed equally