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. 2021 Jan 18;9(1):e16282. doi: 10.2196/16282

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©Karlijn Sporrel, Nicky Nibbeling, Shihan Wang, Dick Ettema, Monique Simons. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 18.01.2021.

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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The effectiveness of the technical implementations and design characteristics of reminders compared with receiving no reminders in 3 intervention arms (2 different studies). PA: physical activity.