. 2020 Jul 31;22(7):e17274. doi: 10.2196/17274
©Alison Brown, Courtney Barnes, Judith Byaruhanga, Matthew McLaughlin, Rebecca K Hodder, Debbie Booth, Nicole Nathan, Rachel Sutherland, Luke Wolfenden. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 31.07.2020.
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Figure 1.
Risk of bias summary.