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. 2021 Nov 19;34(2-3):172–181. doi: 10.1177/10105395211055545

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© 2021 APJPH

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — PRISMA flow diagram.

Abbreviation: PRISMA = Preferred Reporting Items for Systematic Reviews and Meta-Analyses; PICO = Population, Intervention, Comparison, Outcome.

^aPubMed (80), CINAHL (26), Scopus (34), PsycINFO (35), and PubPsych (60).

^bReference lists and citations (34), Google Scholar (65), and conference websites (1).