Affiliation: | 1. MD. Graduated by the Medical School of the Lutheran University - Brazil, ULBRA;2. 5th Year Medical Student - PUCRS Medical School;3. Otorhinolaryngologists - ULBRA;4. MD; PhD, Adjunct Professor of Otorhinolaryngology - Medical School - ULBRA. Emergency Room Municipal Hospital Porto Alegre (HPS); ULBRA |