. 2018 Dec 18;20(12):e11924. doi: 10.2196/11924
©Mustafa Al-Durra, Robert P Nolan, Emily Seto, Joseph A Cafazzo, Gunther Eysenbach. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 18.12.2018.
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Figure 1.
Trials included from the search results.