Affiliation: | 1. Department of Otorhinolaryngology–Head and Neck Surgery, Hospital of the University of Pennsylvania, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania, U.S.A;2. Department of Medicine, Division of Sleep Medicine, Pulmonary, Allergy and Critical Care Division, Penn Sleep Center, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania, U.S.A;3. Perelman School of Medicine at the University of Pennsylvania, Division of Sleep Medicine, Center for Sleep and Circadian Neurobiology, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania, U.S.A;4. Department of Otorhinolaryngology–Head and Neck Surgery, Perelman School of Medicine at the University of Pennsylvania, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania, U.S.A |