1. Smell & Taste Clinic; Department of Otorhinolaryngology; University of Dresden Medical School; Dresden Germany
2. Faculty of Health Sciences; Oslo and Akershus University College of Applied Sciences; Oslo Norway
3. Department of Dentistry; William Osler Hospital (Etobicoke); Toronto ON Canada
4. Department of Anatomy; Université du Québec à Trois-Rivières; Trois-Rivières QC Canada
5. Center of Advanced Research in Sleep Medicine; Sacré-Cœur Hospital; Montréal QC Canada
6. Faculty of Dentistry; University of Oslo; Oslo Norway