Corresponding author Ethel Bastos da Silva, Independence Avenue, 3751 Palm Missions, RS, Brazil. Zip Code: 98300-000 ethelbastos@hotmail.com Universidade Federal de Santa Maria, Palmeira das Missões, RS, Brazil. Escola Paulista de Enfermagem, Universidade Federal de São Paulo, São Paulo, SP, Brazil. Conflicts of interest: no conflicts of interest to declare. Abstract Objective: Analyzing the li...