Figure 3. PRISMA flow diagram of the systematic literature exclusion process.
Ovid MEDLINE database was used to identify potentially relevant studies published between January 1, 2010 and October 9, 2020.
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.