Impact of methodological approaches in the agreement between subjective and objective methods for assessing screen time and sedentary behavior in pediatric population: a systematic review - Nascimento-ferreira, Marcus Vinicius; Moraes, Augusto Cesar Ferreira de; Rendo-Urteaga, Tara; Oliveira, Paulo Vinicius Toazza; Moreno, Luis A; Carvalho, Heraclito Barbosa (Nutricion hospitalaria, 2019)