<p>PhD in nursing, Professor in the Department of Medical-Surgical Nursing at School of Nursing, University of São Paulo. 419 Dr. Enéas de Carvalho Aguiar Av. Zip - 05403-000.Phone: +55113061-7533. São Paulo, SP,Brazil. E-mail: <a href="mailto:anascosta@usp.br">anascosta@usp.br</a></p>