What causes obesity in children and adolescents? Carlos Alberto Nogueira-de-Almeida, Virginia Resende Silva Weffort, Fábio da V. Ued, Ivan S. Ferraz, Andrea A. Contini, Edson Zangiacomi Martinez, Luiz A. Del Ciampo

Prevalence and risk factors of anemia in children Cristie Regine Klotz Zuffo, Mônica Maria Osório, Cesar Augusto Taconeli, Suely Teresinha Schmidt, Bruno Henrique Corrêa da Silva, Cláudia Choma Bettega Almeida

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