1. Department of Otorhinolaryngology, Head & Neck Surgery and Audiology Rigshospitalet, University of Copenhagen Blegdamsvej 9B 2100 Copenhagen East Denmark
2. Clinical Pharmacology and Pharmacy University of Southern Denmark J.B. Winsløws Vej 19 5000 Odense C Denmark
3. Department of Dermatology and Allergy Center Odense University Hospital J.B. Winsløwsvej 4, Entrance 142 5000 Odense C Denmark
4. Department of Otorhinolaryngology and Maxillofacial Surgery Zealand University Hospital Lykkebaekvej 1 4600 Køge Denmark