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. 2022 Sep 8;12(9):e065154. doi: 10.1136/bmjopen-2022-065154

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution 4.0 Unported (CC BY 4.0) license, which permits others to copy, redistribute, remix, transform and build upon this work for any purpose, provided the original work is properly cited, a link to the licence is given, and indication of whether changes were made. See: https://creativecommons.org/licenses/by/4.0/.

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PRISMA 2020 flow diagram for new systematic reviews, including searches of databases, registers and other sources.¹⁴. PRISMA, Preferred Reporting Items for Systematic Reviews and Meta-Analyses.