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. 2021 Apr 20;95(1132):20201107. doi: 10.1259/bjr.20201107

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© 2022 The Authors. Published by the British Institute of Radiology

This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

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Figure 6. — PRISMA flowchart of studies identified, screened, assessed for eligibility and included in the literature review analysis. PRISMA, preferred reporting items for systematic reviews and meta-analyses.