. 2017 May 12;19(5):e160. doi: 10.2196/jmir.7457
©Stefanie Lynn Painter, Rezwan Ahmed, James O Hill, Robert F Kushner, Richard Lindquist, Scott Brunning, Amy Margulies. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 12.05.2017.
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Figure 1.
Study population with inclusion / exclusion criteria.