. Author manuscript; available in PMC: 2021 Nov 12.
Published in final edited form as: Braz J Otorhinolaryngol. 2017 Jan 23;84(2):150–158. doi: 10.1016/j.bjorl.2016.12.004
This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).