What causes obesity in children and adolescents? Carlos Alberto Nogueira-de-Almeida; Virginia Resende Silva Weffort; Fábio da V. Ued; Ivan S. Ferraz; Andrea A. Contini; Edson Zangiacomi Martinez; Luiz A. Del Ciampo;

Mortality in children under five years old in Brazil: evolution from 2017 to 2020 and the influence of COVID-19 in 2020 Erly C. Moura; Juan Cortez-Escalante; Rodrigo T.S. Lima; Fabrício V. Cavalcante; Layana C. Alves; Leonor M.P. Santos;

Pediatric inflammatory multisystemic syndrome in Brazil: sociodemographic characteristics and risk factors to death Laura Abi Faiçal Barros; Vinicius da Silva Oliveira; Walison José de Morais; Lara Araújo Dias; Julia Português Almeida; Marcela Batista Soares; Erika Carvalho de Aquino; Renata Machado Pinto;