Physical activity at 11 years of age and incidence of mental health problems in adolescence: Prospective study

Pedro C. Hallal, Jeovany Martínez-Mesa, Carolina V.N. Coll, Grégore I. Mielke, Márcio A. Mendes, Márcio B. Peixoto, Tiago N. Munhoz, Virgilio V. Ramires, Maria Cecilia Assunção, Helen Gonçalves, Ana M.B. Menezes