1. Division of Pediatric SurgeryInstituto de Medicina Integral Prof. Fernando Figueira (IMIP) Recife Pernambuco Brazil
2. Faculdade Pernambucana de Saúde Recife Pernambuco Brazil
3. Division of Anesthesiology and Postgraduate Program in Palliative CareIMIP Recife Pernambuco Brazil