Evaluation of the Validity of a Food Frequency Questionnaire and 24-Hour Dietary Recall to Assess Dietary Iron Intake in Children and Adolescents from the South American Youth/ Child Cardiovascular and Environmental Study - Collese, Tatiana Sadalla; Moraes, Augusto Cesar F. De; Rendo-urteaga, Tara; Gonzalez-zapata, Laura I.; Charry, Diego Alejandro Gaitan; Delgado, Carlos A.; Berg, Gabriela; Torres-Leal, Francisco Leonardo; Carvalho, Heraclito Barbosa de (Journal of the academy of nutrition and dietetics, 2022)