1. Department of Medicine, Faculdade de Medicina, University of Sao Paulo, Avenida Dr. Eneás de Carvalho Aguiar 255, Sala 6167, 05403-000 São Paulo, SP, Brazil
2. Department of Otorhinolaryngology, Clinical Hospital, FMUSP, Avenida Dr. Eneás de Carvalho Aguiar 255, Sala 6167, 05403-000 São Paulo, SP, Brazil
3. Department of Radiology, Clinical Hospital, FMUSP, Avenida Dr. Eneás de Carvalho Aguiar 255, Sala 6167, 05403-000 São Paulo, SP, Brazil