1. Department of Pediatrics, Otorhinolaryngology, and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Brazil
2. Department of Health Sciences, Otorhinolaryngology, and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Brazil
3. Department of Ophthalmology, Otorhinolaryngology, and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Brazil
4. Department of Pediatrics, University of Alabama School of Medicine, Birmingham