Exclusive breastfeeding modifies the association between maternal education and child development: a cross-sectional study nested in a cohort Luiza Alves Ford; Gabriela Buccini; Amanda Castelo Saragosa; Isadora de Araújo Martins; Janaína Matos Moreira; Stela Maris Aguiar Lemos; Claudia Regina Lindgren Alves; Vivian MaraGonçalves de Oliveira Azevedo;

Mental health difficulties and related factors in Chinese children and adolescents during the COVID-19 pandemic: a cross-sectional study Tongtong Li; Chunhao Li; Guoquan Zhang; Naijian Zhang; Jing Li; Qinghan Ren; Wen Li; Zhenshu Li; Guowei Huang; Jing Yan;

Morbidity trend and space-time clusters of COVID-19 occurrence in children and adolescents Camila Beatriz Alves da Rocha; Lúbia Maieles Gomes Machado; Pãmela Rodrigues de Souza Silva; Bruna Hinnah Borges Martins de Freitas; Iara Denise Endruweit Battisti; Emerson Soares dos Santos; Silvana Margarida Benevides Ferreira;