. 2019 Mar 25;21(3):e13165. doi: 10.2196/13165
©Bhone Myint Kyaw, Pawel Posadzki, Gerard Dunleavy, Monika Semwal, Ushashree Divakar, Vasilis Hervatis, Lorainne Tudor Car. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 25.03.2019.
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Figure 1.
Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow diagram. RCT: randomized controlled trials.