Matthew J. Page, Joanne E. McKenzie, Patrick M. Bossuyt, Isabelle Boutron, Tammy Hoffmann, Cynthia D. Mulrow, Larissa Shamseer, Jennifer Tetzlaff, Elie A. Akl, Sue Brennan, Roger Chou, Julie Glanville, Jeremy Grimshaw, Asbjørn Hróbjartsson, Manoj M. Lalu, Tianjing Li, Elizabeth Loder, Evan Mayo‐Wilson, Steve McDonald, Luke A. McGuinness, Lesley Stewart, James Thomas, Andrea C. Tricco, Vivian Welch, Penny Whiting, David Moher (2021). The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. BMJ. https://doi.org/10.1136/bmj.n71