CPLP	Community of Portuguese Language Countries
AMSTAR	A Measurement Tool to Assess systematic Reviews
DALYs	Attributable Disadjusted Life Years
EMPIRE	Epidemiological study to determine the prevalence of anemia and iron deficit in the Portuguese population
HELENA	Healthy Lifestyle in Europe by Nutrition in Adolescence
IDA	Iron deficiency anemia
PRISMA	Preferred Reporting Items for Systematic review and Meta-Analysis
PROSPERO	The International Prospective Register of Systematic Reviews
SDI	Social Demographic Index
SDGSs	Sustainable Development Goals
SP	Sulfadoxine-pyrimethamine
STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
UHC	Universal Health Coverage
YLDs	Years Lived with a Disability