1. Department of Oto‐Rhino‐Laryngology and Head and Neck SurgeryUppsala UniversityAkademiska sjukhusetUppsalaSweden
2. Department of Diagnostic RadiologyUppsala UniversityAkademiska sjukhusetUppsalaSweden
3. Department of Clinical NeurophysiologyUppsala UniversityAkademiska sjukhusetUppsalaSweden