. 2021 Dec 8;8(12):e29661. doi: 10.2196/29661
©Andrea E Zuelke, Melanie Luppa, Margrit Löbner, Alexander Pabst, Christine Schlapke, Janine Stein, Steffi G Riedel-Heller. Originally published in JMIR Mental Health (https://mental.jmir.org), 08.12.2021.
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Figure 1.
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flow diagram of the study selection process.