. 2016 Mar 3;18(3):e57. doi: 10.2196/jmir.4124
©Eunhee Park, Heejung Kim, Andreanna Steinhoff. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 03.03.2016.
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Figure 1.
PRISMA flow diagram outlining the search and review process.