1. Center for Environment and Public Health Studies, School of Public Policy and Government, Fundação Getúlio Vargas, Brasília, Brazil
2. Geography Department, Federal University of Rio Grande do Norte Natal, Rio Grande do Norte, Brazil
3. Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts, USA
4. Department of Environmental Health, Harvard TH Chan School of Public Health, Boston, Massachusetts, USA