1 Department of Otorhinolaryngology, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 Nijmegen, Netherlands. Electronic address: machteld.vanegmond@radboudumc.nl.
2 Department of Operating Rooms, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 Nijmegen, Netherlands; Department of Health Evidence, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 Nijmegen, Netherlands.
3 Department of Operating Rooms, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 Nijmegen, Netherlands.
4 Department of Otorhinolaryngology, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 Nijmegen, Netherlands.