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. 2022 Jun 13;6(6):e37858. doi: 10.2196/37858

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©Qiming Shi, Carly Herbert, Doyle V Ward, Karl Simin, Beth A McCormick, Richard T Ellison III, Adrian H Zai. Originally published in JMIR Formative Research (https://formative.jmir.org), 13.06.2022.

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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Variant tracking from February to April based on Massachusetts’ Graphical user interface for Geographic Information (MAGGI) data.