. 2021 Apr 29;8(4):e25847. doi: 10.2196/25847
©Susanna Lehtimaki, Jana Martic, Brian Wahl, Katherine T Foster, Nina Schwalbe. Originally published in JMIR Mental Health (https://mental.jmir.org), 29.04.2021.
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Figure 1.
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flowchart.