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. 2021 Jul 30;5(7):e30450. doi: 10.2196/30450

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©Summer J Weber, Elyse Shearer, Shelagh A Mulvaney, Douglas Schmidt, Chris Thompson, Jessica Jones, Haseeb Ahmad, Martina Coe, Pamela C Hull. Originally published in JMIR Formative Research (https://formative.jmir.org), 30.07.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Formative Research, is properly cited. The complete bibliographic information, a link to the original publication on https://formative.jmir.org, as well as this copyright and license information must be included.

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Card sorting activity in progress: sample prioritization (top) and natural groupings (bottom) of potential features in a smartphone app for WIC families by WIC caregivers. WIC: Special Supplemental Nutrition Assistance Program for Women, Infants, and Children.