1. Postgraduate Program in Epidemiology, Federal University of Pelotas , Marechal Deodoro - 1160, Pelotas, RS 96020220, Brazil
2. Human Development and Violence Research Centre (DOVE), Postgraduate Program in Epidemiology, Federal University of Pelotas , Marechal Deodoro - 1160, Pelotas, RS 96020220, Brazil
3. State Health Surveillance Centre, State Health Department, Rio Grande do Sul , Ipiranga - 5400, Porto Alegre, RS 90610000, Brazil
4. Department of Global Health and Population, Harvard School of Public Health , 677 - Huntington Avenue, Boston, MA 02115, United States