1. Student pós graduation, Medicine College of Jundiai, Jundiai, Brazil
2. Department of Otorhinolaryngology, Medicine College of Jundiai, Jundiai, Brazil
3. Therapeutic Association for Language and Hearing Stimulation, Jundiai, Brazil
4. Speech-Language-Hearing Department, Universidade Federal de São Paulo, São Paulo, Brazil
5. Department of Paediatrics, Medicine College f Jundiai, Jundiai, Brazil