1. Porto Alegre Clinical Hospital; Porto Alegre RS Brazil
2. Federal University of Rio Grande do Sul (UFRGS); Porto Alegre Brazil
3. School of Nursing; Federal University of Rio Grande do Sul (UFRGS); Porto Alegre Brazil
4. Municipal Health Department of Caxias do Sul; Caxias RS Brazil
5. Graduate School of Nursing/UFRGS; Porto Alegre Brazil