Figure 1.
Flow diagram showing the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) adopted from Systematic Reviews (OPEN ACCESS) Page MJ, McKenzie JE, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, et al. The PRISMA 2020 statement: an updated guideline for reporting systematic reviews. Systematic Reviews 2021;10:89