1. Department of Pediatrics, Genetics Laboratory, Pediatric Oncology Institute (IOP/GRAACC); Federal University of São Paulo; São Paulo-SP Brazil
2. Department of Morphology and Genetics, Genetics Laboratory, Pediatric Oncology Institute (IOP/GRAACC); Federal University of São Paulo; São Paulo-SP Brazil
3. Department of Clinical and Experimental Oncology, Genetics Laboratory, Pediatric Oncology Institute (IOP/GRAACC); Federal University of São Paulo; São Paulo-SP Brazil
4. Department of Pediatrics, Pediatric Oncology Institute (IOP/GRAACC); Federal University of São Paulo; São Paulo-SP Brazil