Veronique J.O. Verhaegen
Department of Otorhinolaryngology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands
Ad F.M. Snik
Department of Otorhinolaryngology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands
Andy J. Beynon
Department of Otorhinolaryngology, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; Viataal, Diagnostic Centre, St. Michielsgestel, the Netherlands
A. Rens Leeuw
Department of Otorhinolaryngology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands
Emmanuel A.M. Mylanus
Department of Otorhinolaryngology, Radboud University Nijmegen Medical Centre, Nijmegen, the Netherlands