1. Division of Rhinology University of British Columbia Vancouver Canada
2. Ear, Nose, and Throat (ENT) and Skull Base Surgery Hospital Edmundo Vasconcellos São Paulo Brazil
3. Department of Surgery University of Auckland Auckland New Zealand
4. Division of Endoscopy and Endoscopic Sinus and Skull Base Surgery Eastern Virginia Medical School Norflok United States
5. Department of Otolaryngology–Head and Neck Surgery University of Texas Health Science Center San Antonio United States
6. Department of Otolaryngology–Head and Neck Surgery Mayo Clinic Rochester United States
7. Rhinology and Skull Base Division Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil
8. Department of Otolaryngology–Head and Neck Surgery Sydney Medical School University of Sidney Sydney Australia
9. Department of Otolaryngology–Head and Neck Surgery National Cancer Center Goyang‐si South Korea
10. Department of Otorhinolaryngology–Head and Neck Surgery Federal University of São Paulo São Paulo Brazil
11. Department of Otolaryngology–Head and Neck Surgery College of Medicine Prince Sattam Bin Abdulaziz University Alkharj Saudi Arabia
12. Department of Otorhinolaryngology Instituto Fellipo de Otorrinolaringologia São Paulo Brazil
13. Department of ENT and HSN/Skull Base Program Centro Médico Caracas Caracas Venezuela
14. Department of Otorhinolaryngology–Head and Neck Surgery ACCamargo Cancer Center São Paulo Brazil
15. Department of Otorhinolaryngology Parpado Hospital Messina Italy
16. Department of Otolaryngology–Head and Neck Surgery College of Medicine Imam Mohammad Ibn Saud Islamic University Riyadh Saudi Arabia
17. Otorhinolaryngology Division Federal University of Pernambuco Recife Brazil
18. Department of Otolaryngology–Head and Neck Surgery Adelaide University Adelaide Australia
19. Department of Otorhinolaryngology Universidade Federal Fluminense Niterói Brazil
20. Department of Otolaryngology–Head and Neck Surgery Alfaisal University Riyadh Saudi Arabia
21. Universidade Federal de Goiás Goiânia Brazil
22. Department of Otorhinolaryngology Westmead Hospital Westmead Australia
23. Department of Ophthalmology and Otorhinolaryngology Universidade de São Paulo São Paulo Brazil
24. Medical Sciences Faculty of Medicine Universidade de Brasília Brasília Brazil
25. Department Biomedical Sciences University of Antwerp Antwerp Belgium
26. Department of Medicine, Division of Respirology Faculty of Medicine University of British Columbia Vancouver Canada
27. Department of Otolaryngology Ophthalmology and Neurological Surgery University of Pittsburgh Pittsburg USA
28. Division of Rhinology Department of Otolaryngology–Head and Neck Surgery Stanford School of Medicine Palo Alto USA