1. Postgraduate Program in Health Sciences, Federal University of Rio Grande, Rio Grande 96201-900, Rio Grande do Sul, Brazil
2. Nursing School, Federal University of Rio Grande, Rio Grande 96201-900, Rio Grande do Sul, Brazil
3. Health Sciences Center, Vale do Acaraú State University, Sobral 62042-280, Ceará, Brazil
4. School of Medicine of São José do Rio Preto, São José do Rio Preto 15090-000, São Paulo, Brazil
5. Nursing Department, Federal University of São Carlos, São Carlos 13565-905, São Paulo, Brazil
6. Public Health Department, Federal University of Maranhão, São Luís 65020-070, Maranhão, Brazil
7. Nursing Department, Federal University of Santa Catarina, Florianópolis 88040-900, Santa Catarina, Brazil
8. Institute of Biology, Federal University of Pelotas, Pelotas 96001-970, Rio Grande do Sul, Brazil