Figure 1.
Preferred Reporting Items for Systematic Reviews and Meta Analyses (PRISMA) flow diagram for the scoping review study selection process (adapted from Moher et al., 2009).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.