. 2019 Feb 28;21(2):e12945. doi: 10.2196/12945
©Lorainne Tudor Car, Bhone Myint Kyaw, Gerard Dunleavy, Neil A Smart, Monika Semwal, Jerome I Rotgans, Naomi Low-Beer, James Campbell. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 28.02.2019.
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Figure 1.
Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow diagram. RCT: randomized controlled trial.