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. 2016 Jul 29;4(3):e92. doi: 10.2196/mhealth.5700

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©Åsa Svensson, Maria Magnusson, Christel Larsson. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 29.07.2016.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0/), 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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Illustration of adolescents' experiences of using a mobile phone dietary assessment app. To reach the goal of a complete dietary registration at the top of the mountain, participants must overcome several perceived barriers. Depending on their motivational type, subjects are in a smaller or larger balloon, and therefore need less or more facilitators (sandbags to let go of) to make it rise.