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.
This article has been corrected to fix the following typo and formatting issue in the PRISMA diagram:
"Records removed before screening: Duplicate records and records marked as ineligible by automation tools" has been corrected from 0 to 6,996 and reformatted for consistency with PRISMA design.
No competing interests declared.
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