. 2014 May 16;16(5):e130. doi: 10.2196/jmir.3142
©E Bethan Davies, Richard Morriss, Cris Glazebrook. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 16.05.2014.
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Figure 1.
PRISMA flowchart outlining process for systematic review/meta-analysis.