1. Who Collaborating Centre for Nursing Research Development, Ribeirão Preto College of Nursing; University of São Paulo; Ribeirão Preto São Paulo Brazil
2. Marilia Medical School - FAMEMA; Marília São Paulo Brazil
3. Department of Genetics, Ribeirão Preto Medical School; University of São Paulo; Ribeirão Preto São Paulo Brazil
4. Chapel Hill School of Nursing; University of North Carolina; Chapel Hill North Carolina USA