1. PhD Student, Department of Health Policy and Management, University of North Carolina, Chapel Hill, USA
2. Professor of Nursing, Department of Nursing, Nursing School of Ribeirão Preto, Ribeirão Preto, São Paulo, Brazil
3. Nurse and PhD Student, Graduate Program of Nursing, State University of Maringá, Maringá, Paraná, Brazil
4. Professor of Nursing, Department of Nursing, State University of Londrina. Londrina, Paraná, Brazil