Table 2.
Academic and grey literature databases used to search eligible studies.
| Academic Databases | Grey Databases |
|---|---|
| MEDLINE PsycInfo CINAHL Sociological Abstracts Web of Science |
Google Scholar |
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.