1. Graduate Program of Neurology, Rio de Janeiro State Federal University (UNIRIO), Rio de Janeiro, Brazil
2. Department of Otorhinolaryngology, Marcilio Dias Naval Hospital, Rio de Janeiro, Brazil
3. Department of Otorhinolaryngology, Glória D’Or Hospital - Rede D’Or São Luiz, Rio de Janeiro, Brazil
4. Department of Otorhinolaryngology, the First Hospital of China Medical University, Shenyang, China