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. 2016 Jun 2;4(1):e8. doi: 10.2196/games.4977

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©Mariya Shiyko, Sean Hallinan, Magy Seif El-Nasr, Shree Subramanian, Carmen Castaneda-Sceppa. Originally published in JMIR Serious Games (http://games.jmir.org), 02.06.2016.

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

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Example log-in data from one study participant. Vertical bars across the 90-day timeline represent occurrences of play, with quantitative summaries of adherence statistics.