. 2014 Oct 8;16(10):e219. doi: 10.2196/jmir.3096
©Gareth Furber, Gabrielle Margaret Jones, David Healey, Niranjan Bidargaddi. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 08.10.2014.
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Figure 2.
Flow of participants into the historical control group.