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. 2015 Oct 1;17(10):e225. doi: 10.2196/jmir.4486

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©Sonia Lippke, Lena Fleig, Amelie U Wiedemann, Ralf Schwarzer. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.10.2015.

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

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Mediation of the effect of the intervention on lifestyle changes by psychological variables. Significant changes are indicated by an asterisk.