Published on in Vol 6, No 6 (2022): June
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/38283, first published
.
![Assessing the Initial Validity of the PortionSize App to Estimate Dietary Intake Among Adults: Pilot and Feasibility App Validation Study Assessing the Initial Validity of the PortionSize App to Estimate Dietary Intake Among Adults: Pilot and Feasibility App Validation Study](https://asset.jmir.pub/assets/e7f43d04023699e056d4fd9ca9623416.png 480w,https://asset.jmir.pub/assets/e7f43d04023699e056d4fd9ca9623416.png 960w,https://asset.jmir.pub/assets/e7f43d04023699e056d4fd9ca9623416.png 1920w,https://asset.jmir.pub/assets/e7f43d04023699e056d4fd9ca9623416.png 2500w)
1 Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, United States