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. 2021 Mar 26;5(3):e27882. doi: 10.2196/27882

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©Britt Elise Bente, Jan Willem Jaap Roderick van 't Klooster, Maud Annemarie Schreijer, Lea Berkemeier, Joris Elmar van Gend, Peter Jan Hendrik Slijkhuis, Saskia Marion Kelders, Julia Elisabeth Wilhelmina Cornelia van Gemert-Pijnen. Originally published in JMIR Formative Research (http://formative.jmir.org), 26.03.2021.

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

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App screenshots viewed during onboarding: (left) an example of when users are not exposed to increased risk and (right) an example of when users might be exposed to increased risk.