Factors associated with objectively measured total sedentary time and screen time in children aged 9–11 years Gerson Luis de Moraes Ferrari, Carlos Pires, Dirceu Solé, Victor Matsudo, Peter T. Katzmarzyk, Mauro Fisberg

Prevalence of excessive screen time and TV viewing among Brazilian adolescents: a systematic review and meta-analysis Camila W. Schaan, Felipe V. Cureau, Mariana Sbaraini, Karen Sparrenberger, Harold W. Kohl III, Beatriz D. Schaan

Bullying and self-esteem in adolescents from public schools Camila C. Brito, Marluce T. Oliveira