1. Graduate Program in Collective Health, Federal University of Rio Grande do Norte, Natal/RN, Brazil
2. Graduate Program in Health Sciences, Federal University of Rio Grande do Norte, Natal/RN, Brazil
3. Department of Collective Health, Federal University of Rio Grande do Norte, Natal, RN, Brazil
4. Department of Nursing, Federal University of Rio Grande do Norte, Natal, RN, Brazil
5. Department of Preventive Medicine, Federal University of São Paulo, São Paulo, SP, Brazil
6. Faculty of Health Sciences of Trairi, Federal University of Rio Grande do Norte, Santa Cruz-RN, Brazil.