| Affiliation: | 1. Department Pediatrics, Faculdade de Medicina de Ribeir?o Preto ‐ University of S?o Paulo, Ribeir?o Preto, Brazil;2. Pio XII Foundation—Cancer Hospital of Barretos, Barretos, Brazil;3. Department Genetics, Faculdade de Medicina de Ribeir?o Preto ‐ University of S?o Paulo, Ribeir?o Preto, Brazil;4. Centro Infantil Boldrini, Campinas, S?o Paulo, Brazil;5. Institute of Pediatric Oncology, Federal University of S?o Paulo, S?o Paulo, Brazil;6. Department of Pediatrics, State University of Campinas, Campinas, Brazil |
