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. 2020 Oct 30;12:129–137. doi: 10.2147/EB.S268828

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© 2020 Luís et al.

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PRISMA flow diagram.

Notes: Adapted from Moher D, Liberati A, Tetzlaff J, et al. Preferred reporting items for systematic reviews and meta-analyses: The PRISMA statement. PLoS Med. 2009;6(7). doi:10.1371/journal.pmed.1000097. Creative Commons.¹⁴