1. Otolaryngology Department,Santa Casa São Paulo, São Paulo, Brazil
2. Esophagus and Digestive Motility of Gastroenterology, Department of Hospital Clínicas, São Paulo University, São Paulo, Brazil
3. Head and Neck Department, Santa Casa São Paulo, São Paulo, Brazil
4. Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
5. InCor Sleep Center Laboratory Director, São Paulo, Brazil