1. Institute of Biological and Health Sciences, Federal University of Mato Grosso, Barra do Garças, Brazil
2. Epidemiology Department, Faculty of Public Health, University of São Paulo, São Paulo, Brazil
3. Maternal-Infant and Public Health Nursing Department, College Nursing at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
4. State University of West Paraná, Foz do Iguaçu, Paraná, Brazil
5. National School of Public Health, New University of Lisbon, Lisbon, Portugal
6. Health Sciences Department, Faculty Medicine at Ribeirão Preto. University of São Paulo, Ribeirão Preto, Brazil
7. Nursing Department, Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain