1. Otolaryngology Stanford University School of Medicine Stanford California USA
2. Otolaryngology Massachusetts Eye and Ear Infirmary Boston Massachusetts USA
3. Otolaryngology Vanderbilt School of Medicine Nashville Tennessee USA
4. Otolaryngology, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
5. Neurology Harvard Medical School Boston Massachusetts USA
6. Otolaryngology Biruni University School of Medicine İstanbul Turkey
7. Rheumatology, School of Medical Sciences University of Campinas São Paulo Brazil
8. Physiology and Biophysics and Otolaryngology Virginia Commonwealth University School of Medicine Richmond Virginia USA
9. Psychology and Psychosomatic Medicine, TU Dresden Dresden Germany
10. Otolaryngology Proliance Surgeons Seattle and Puyallup Washington USA
11. Associazione Naso Sano Umbria Regional Registry of Volunteer Activities Corciano Italy
12. Smell and Taste Center, Otolaryngology, Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
13. Allied Health Sciences University of Connecticut Storrs Connecticut USA
14. Otolaryngology Duke University Medical Center Durham North Carolina USA
15. Otolaryngology Columbia University Irving Medical Center New York USA
16. Smell and Taste Otolaryngology, TU Dresden Dresden Germany
17. Otolaryngology University of Louisville School of Medicine Louisville Kentucky USA
18. Otolaryngology, Guy's and St. Thomas’ Hospitals London Bridge Hospital London UK
19. Otorhinolaryngology, Cliniques universitaires Saint‐Luc Institute of Neuroscience, Université catholgique de Louvain Brussels Belgium
20. Otolaryngology Navamindradhiraj University Bangkok Thailand
21. Otolaryngology Northwestern University Feinberg School of Medicine Chicago Illinois USA
22. Otorhinolaryngology‐Head and Neck Surgery Mie University Graduate School of Medicine Mie Japan
23. Otolaryngology, Graduate School of Medicine University of Tokyo Tokyo Japan
24. Otolaryngology Johns Hopkins University School of Medicine Baltimore Maryland USA
25. Otolaryngology Barts Health and University College London London UK
26. Otolaryngology University of Vermont Medical Center Burlington Vermont USA
27. Otolaryngology Emory University School of Medicine Atlanta Georgia USA
28. Neurology Thomas Jefferson University School of Medicine Philadelphia Pennsylvania USA
29. Otolaryngology University Hospitals Birmingham NHS Foundation Trust Birmingham UK
30. Otolaryngology Kanazawa Medical University Ishikawa Japan
31. Psychiatry University of Pennsylvania School of Medicine Philadelphia Pennsylvania USA
32. Otolaryngology Medical University of Vienna Vienna Austria
33. Division of Nephrology Massachusetts General Hospital Boston Massachusetts USA
34. Otolaryngology, Mayo Clinic Rochester Rochester Minnesota USA
35. Monell Smell Center Philadelphia Pennsylvania USA
36. Otolaryngology University of East Anglia Norwich UK
37. Otolaryngology University of Chicago Chicago Illinois USA
38. Otolaryngology Virginia Commonwealth University School of Medicine Richmond Virginia USA
39. Otolaryngology Medical University of South Carolina Mt Pleasant South Carolina USA
40. Biomedical Sciences Tufts University School of Medicine Boston Massachusetts USA
41. Otolaryngology University of Cincinnati School of Medicine Cincinnati Ohio USA
42. Otolaryngology Oregon Health and Sciences University Portland Oregon USA
43. Otolaryngology University of Western Ontario London Ontario Canada
44. Otolaryngology University of British Columbia Vancouver British Columbia Canada
45. Otolaryngology Keck School of Medicine USC Los Angeles California USA
46. Otolaryngology School of Medicine, UCSD La Jolla California USA