. 2020 May 5;22(5):e16218. doi: 10.2196/16218
©Simen A Steindal, Andréa Aparecida Goncalves Nes, Tove E Godskesen, Alfhild Dihle, Susanne Lind, Anette Winger, Anna Klarare. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 05.05.2020.
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Figure 1.
Summary of the selection of studies.