1. Department of PediatricsRibeirão Preto Medical SchoolUniversity of São Paulo São Paulo Brazil
2. Department of Pathology and Forensic MedicineRibeirão Preto Medical SchoolUniversity of São Paulo São Paulo Brazil
3. Department of Oncology and ImageRibeirão Preto Medical SchoolUniversity of São Paulo São Paulo Brazil
4. Department of Surgery and AnatomyRibeirão Preto Medical SchoolUniversity of São Paulo São Paulo Brazil
5. Division of Pediatric NeurosurgeryDepartment of Surgery and AnatomyRibeirão Preto Medical SchoolUniversity of São Paulo São Paulo Brazil