Affiliation: | 1. Otorhinolaryngologist. M.S. and PhD in Medicine. Professor of the Postgraduate program in Medicine of the Federal University of Rio Grande do Sul - UFRGS.;2. Otorhinolaryngologist. PhD in Medicine, Head of the Department of Otorhinolaryngology and Head and Neck Surgery of the HCPA.;3. PhD in Microbiology, Adjunct Professor - Feevale.;4. MD. Resident Physician in General Surgery HCPA.;5. Otorhinolaryngologist. M.S. student at the Postgraduate Program in Medicine UFRGS. |