1. Department of Otorhinolaryngology and Maxillofacial Surgery, Zealand University Hospital, Lykkebaekvej 1, 4600 Koge, Denmark
2. Department of Orthopaedic Surgery, Nordsjaellands Hospital, Dyrehavevej 29, 3400 Hillerod, Denmark
3. Life Science Team, Bech-Bruun Law Firm, Langelinie Alle 35, 2100 Copenhagen, Denmark
4. Department of Otorhinolaryngology, Head & Neck Surgery and Audiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark