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. 2022 May 11;37(8):1566–1575. doi: 10.1093/ndt/gfac174

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© The Author(s) 2022. Published by Oxford University Press on behalf of the ERA

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Figure 1: — Flow diagram of study selection. Source: Page MJ, McKenzie JE, Bossuyt PM et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ 2021; 372: n71.