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.
Search strategy and data collection. PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses), Maringá, PR, Brazil, 2020. BVS = Biblioteca Virtual em Saúde; LILACS = Literatura Latino-Americana e do Caribe em Ciências da Saúde; PubMed = United States National Library of Medicine.
