1. University Department of Otorhinolaryngology and Head and Neck Surgery, Antwerp University Hospital, Edegem, Belgium;
2. Department of Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Universiteitsplein, Wilrijk, Belgium;
3. Department of Psychiatry and Psychotherapy, University Regensburg, Germany;
4. Department of Education, Health & Social Work, University College Ghent, Ghent, Belgium