1. Department of Head and Skin, Ghent University, Ghent, Belgium
2. Department of Otorhinolaryngology, Ghent University Hospital, Ghent, Belgium
3. Department of Neonatal Intensive Care Unit, Ghent University Hospital, Ghent, Belgium
4. Laboratory of Medical Microbiology, Ghent University Hospital, Ghent, Belgium
5. Faculty of Medicine and Translational Neurosciences, University of Antwerp, Antwerp, Belgium
6. Department of Otorhinolaryngology and Head and Neck Surgery, Antwerp University Hospital, Antwerp, Belgium
7. Department of Education, Health and Social Work, University College Ghent, Ghent, Belgium
8. Department of Ear, Nose and Throat, Sint Jan Hospital, Bruges, Belgium
9. Department of Otorhinolaryngology, Head and Neck Surgery, University Hospitals of Leuven, Leuven, Belgium
10. Department of Ear, Nose and Throat, GZA hospitals campus Sint Augustinus, Wilrijk, Belgium