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. 2021 Feb 23;9(2):e24452. doi: 10.2196/24452

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©Emeka C Anyanwu, R Parker Ward, Atman Shah, Vineet Arora, Craig A Umscheid. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 23.02.2021.

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 mHealth and uHealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.

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Aggregate app user activity over the study period (February 1 to July 31, 2020). Note: The policy content review and room number search functions were not implemented until March 14, 2020. The last charted week was not a full week.