Figure 1.
Flow diagram of the study selection process. ∗Systematic review (SR) of the studies that were already included. This figure was adapted from the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 flow diagram [21].
Flow diagram of the study selection process. ∗Systematic review (SR) of the studies that were already included. This figure was adapted from the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 flow diagram [21].