1. Department of Otorhinolaryngology Aalborg University Hospital Aalborg Denmark
2. Clinic for Rheumatology, Department of Internal Medicine Regional Hospital West Jutland Holstebro Denmark
3. University Clinic for Flavour, Balance and Sleep Department of Otorhinolaryngology, Regional Hospital West Jutland Holstebro Denmark
4. Department of Clinical Medicine Aarhus University Aarhus Denmark