Is physical activity associated with resting heart rate in boys and girls? A representative study controlled for confounders Edner F. Zanuto; Raphael M. Ritti¿Dias; William R. Tebar; Catarina C. Scarabottolo; Leandro D. Delfino; Juliano Casonatto; Luiz Carlos M. Vanderlei; Diego Giulliano Destro Christofaro;

Factors associated with current tobacco use among adolescents and young students Samara Barreto Cunha; Rodrigo Cappato de Araújo; Jéssica Vanessa Barros de Oliveira; Rachel Mola; Ana Carolina Rodarti Pitangui;

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;