Research Methods & Reporting
PRISMA 2020 explanation and elaboration: updated guidance and exemplars for reporting systematic reviews
BMJ 2021; 372 doi: https://doi.org/10.1136/bmj.n160 (Published 29 March 2021) Cite this as: BMJ 2021;372:n160Linked RMR
The PRISMA 2020 statement: an updated guideline for reporting systematic reviews