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;

Height and body mass index distribution in children and adolescents with and without spina bifida Fabio Bertapelli; Cyntia Rogean de Jesus Alves de Baptista; Ana Claudia Mattiello-Sverzut;

Physical activity, sedentary time and nutritional status in Brazilian children with cerebral palsy Raíne Costa Borba Firmino de Arruda; Rafael Miranda Tassitano; Anísio Luís da Silva Brito; Olga Sophia de Sousa Martins; Poliana Coelho Cabral; Margarida Maria de Castro Antunes;