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. 2022 Aug 30;17:1987–1999. doi: 10.2147/COPD.S375107

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© 2022 Feng et al.

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PRISMA (preferred reporting items for systematic reviews and meta-analysis) flow diagram.

Notes: Page MJ, Moher D, Bossuyt PM, et al. PRISMA 2020 explanation and elaboration: updated guidance and exemplars for reporting systematic reviews. BMJ. 2021;372:160. Creative Commons.¹⁵