1. Department of Otolaryngology-Head and Neck Surgery; Miller School of Medicine; University of Miami; Miami FL USA
2. Division of Sleep Surgery; Department of Otolaryngology-Head and Neck Surgery; Stanford University Medical Center; Stanford CA USA
3. Division of Sleep Medicine; Department of Psychiatry and Behavioral Sciences; Stanford Hospital and Clinics; Stanford, CA USA
4. Department of Anesthesia; Department of Otolaryngology-Head and Neck Surgery; Stanford University Medical Center; Stanford CA USA
5. Department of Otolaryngology, Head and Neck Surgery; Cathay General Hospital; Taipei Taiwan
6. School of Medicine; Fu Jen Catholic University; Taipei Taiwan