| Affiliation: | 1. Otorhinolaryngologist (Fellow of the Larynx, Clinic Hospital, Porto Alegre);2. Otorhinolaryngologist (Hired medical doctor of the Clinic Hospital, Porto Alegre. Master''s degree in pediatrics, Rio Grande do Sul Federal University);3. Otorhinolaryngologist (Master''s degree student, Rio Grande do Sul Federal University);4. Otorhinolaryngologist (Master''s degree in pediatrics, Rio Grande do Sul Federal University);5. Otorhinolaryngologist (Professor of the Rio Grande do Sul Federal University) |
