1 Postgraduate Programme in Physical Education, Federal University of Pelotas, Rua LuÃs de Camões, 625, Pelotas, 96055630, Brazil
2 GEEAF – Physical Activity Epidemiology Research Group, Rua LuÃs de Camões, 625, Pelotas, 96055630, Brazil
3 Centre for Global Child Health, The Hospital for Sick Children, 555 University Avenue, Toronto M5G 1X8, ON, Canada
4 Department of Paediatrics, Faculty of Medicine, University of Toronto, 1 King’s College Circle, Toronto M5S 1A8, ON, Canada
5 Postgraduate Programme in Epidemiology, Federal University of Pelotas, Rua Marechal Deodoro, 1160, Pelotas, 96020220, Brazil