Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122 Essen, Germany
Dr. Freya Droege
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Essen, University of Duisburg-Essen, Hufelandstraße 55, 45122 Essen, Germany