Why are children different in their moderate-to-vigorous physical activity levels? A multilevel analysis Sara Pereira; Ana Reyes; Marcos A. Moura-Dos-Santos; Carla Santos; Thayse N. Gomes; Go Tani; Olga Vasconcelos; Tiago V. Barreira; Peter T. Katzmarzyk; José Maia;

Effects of interventions for promoting physical activity during recess in elementary schools: a systematic review Alessandra Cardozo Machado Suga; Alexandre Augusto de Paula da Silva; Josieli Regina Brey; Paulo Henrique Guerra; Ciro Romelio Rodriguez-Añez;

Impact of intervention on nutritional status, consumption of processed foods, and quality of life of adolescents with excess weight Fabiana A. Poll; Fernanda Miraglia; Helen F. D¿avila; Cézane P. Reuter; Elza D. Mello;