1. Upper Airway Research Laboratory Department of Otorhinolaryngology Ghent University Hospital Ghent Belgium
2. Eastern Virginia Medical School Norfolk Virginia USA
3. Respiratory Medical Franchise, GSK Research Triangle Park North Carolina USA
4. Clinical Sciences, Respiratory, GSK Brentford Middlesex UK
5. Clinical and Experimental Sciences Faculty of Medicine, University of Southampton and NIHR Respiratory Biomedical Research Unit Southampton General Hospital Southampton UK
6. Global Respiratory Franchise, GSK Brentford Middlesex UK
7. Division of ENT Diseases CLINTEC Karolinska Institute Stockholm Sweden