1. Neurotology Fellow - Department of Otolaryngology, University of São Paulo School of Medicine, São Paulo, Brazil.
2. Professor and Chairman - Department of Otolaryngology, University of São Paulo School of Medicine, São Paulo, Brazil.
3. Associate Doctor - Department of Otolaryngology, University of São Paulo School of Medicine, São Paulo, Brazil.
4. Associate Professor - Department of Otolaryngology, University of São Paulo School of Medicine, São Paulo, Brazil.