. 2018 May 24;20(5):e191. doi: 10.2196/jmir.9196
©Macda Gerard, Hannah Chimowitz, Alan Fossa, Fabienne Bourgeois, Leonor Fernandez, Sigall K Bell. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 24.05.2018.
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Figure 1.
Flowchart of patient recruitment, enrollment, and sampling.