. 2021 Dec 20;8(12):e30000. doi: 10.2196/30000
©Maham Saleem, Lisa Kühne, Karina Karolina De Santis, Lara Christianson, Tilman Brand, Heide Busse. Originally published in JMIR Mental Health (https://mental.jmir.org), 20.12.2021.
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Figure 1.
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flow diagram.