1. Department of Diagnostic Radiology; Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine; Kaohsiung Taiwan
2. Department of Biomedical Imaging and Radiological Sciences; National Yang-Ming University; Taipei Taiwan
3. Department of Otolaryngology; Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine; Kaohsiung Taiwan
4. Sleep Center; Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Kaohsiung Taiwan
5. Department of Neurology; Kaohsiung Chang Gung Memorial Hospital, and Chang Gung University College of Medicine; Kaohsiung Taiwan
6. Department of Biological Science; National Sun Yat-Sen University; Kaohsiung Taiwan
7. Brain Research Center; National Yang-Ming University; Taipei Taiwan
8. Division of Pulmonary and Critical Care Medicine; Department of Internal Medicine; Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine; Kaohsiung Taiwan
9. Division of Sleep Surgery; Department of Otolaryngology-Head and Neck Surgery; Rush University Medical Center; Chicago IL USA