Figure.
Study selection flow diagram.
Two reviewers independently screened titles and abstracts and then full-text manuscripts prior to including 8 manuscripts in this systematic review.
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.