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. 2022 Apr 12;24(4):e28867. doi: 10.2196/28867

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©Bernd Ploderer, Atae Rezaei Aghdam, Kara Burns. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 12.04.2022.

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 the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flow diagram for the selection of studies from the databases.