1. Postgraduate Programme in Epidemiology, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
2. Human Development and Violence Research Centre, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
3. International Center for Equity in Health, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
4. Global Health and Population Department, Harvard School of Public Health, Boston, USA
5. Departamento de Medicina Preventiva, Faculdade de Medicina FMUSP, Universidade de São Paulo, São Paulo, Brazil
6. Postgraduate Programme in Physical Education, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil