. 2017 Jun 23;19(6):e230. doi: 10.2196/jmir.7209
©Kei Long Cheung, Ben Wijnen, Hein de Vries. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 23.06.2017.
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Figure 1.
Flowchart of the selection process in the scientific literature.