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. 2016 Mar 10;4(1):e22. doi: 10.2196/mhealth.4569

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©Damian Hacking, Hanne J Haricharan, Kirsty Brittain, Yan Kwan Lau, Tali Cassidy, Marion Heap. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 10.03.2016.

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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Participant diagram. 224 participants were originally recruited, but due to loss to follow up and various exclusion criteria, only 146 (76 in experimental arm, 70 in control arm) were included in the final analysis.