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. 2020 Aug 26;3(2):e19269. doi: 10.2196/19269

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©Colleen Stiles-Shields, Lauren M Potthoff, Dawn T Bounds, Maureen T S Burns, Janel M Draxler, Caitlin H Otwell, Emily D Wolodiger, Jennifer Westrick, Niranjan S Karnik. Originally published in JMIR Pediatrics and Parenting (http://pediatrics.jmir.org), 26.08.2020.

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

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PRISMA flow diagram for study inclusion. aAdapted from “Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement,” by D. Moher, A. Liberati, J. Tetzlaff, D. G. Altman, and The PRISMA Group, 2009, PLoS Med. 6(7), e1000097.