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. 2016 Aug 2;4(3):e93. doi: 10.2196/mhealth.4878

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©Phillip J Hartin, Chris D Nugent, Sally I McClean, Ian Cleland, JoAnn T Tschanz, Christine J Clark, Maria C Norton. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 02.08.2016.

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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