1. Section of Speech‐language Pathology Instituto Nacional de Câncer (INCA) Rio de Janeiro Brazil
2. Molecular Carcinogenesis Program Instituto Nacional de Câncer (INCA) Rio de Janeiro Brazil
3. Section of Speech‐language Pathology Hospital A.C.Camargo São Paulo Brazil
4. Pediatric Oncology Service Instituto Nacional de Câncer (INCA) Rio de Janeiro Brazil
5. Department of Pediatrics Universidade Federal do Rio de Janeiro Rio de Janeiro Brazil