1. Department of Otolaryngology-Head and Neck Surgery; University of Oklahoma Health Sciences Center; Oklahoma City OK
2. Division of Rhinology and Skull Base Surgery, Department of Otorhinolaryngology-Head and Neck Surgery; University of Pennsylvania Perelman School of Medicine; Philadelphia PA
3. Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, Head and Neck Surgery & Forensic Dissection Research Center (HNS & FDRc); University of Insubria; Varese Italy
4. Ear, Nose, and Throat (ENT), Audiology, and Phoniatrics Unit; Azienda Ospedaliero-Universitaria Pisana; Pisa Italy
5. Ophthalmic Plastic Surgery Service, Department of Ophthalmology; Massachusetts Eye and Ear Infirmary; Boston MA
6. Department of Ophthalmology; Harvard Medical School; Boston MA
7. Department of Neurosurgery; University of Pittsburgh School of Medicine; Pittsburgh PA
8. Unit of Otorhinolaryngology; Azienda Unità Sanitaria Locale Toscana Nord Ovest-Apuane Hospital; Massa Italy
9. Department of Otolaryngology; University of Cape Town; Cape Town South Africa
10. Department of Otolaryngology; Massachusetts Eye and Ear Infirmary; Boston MA
11. Department of Otolaryngology; Harvard Medical School; Boston MA
12. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology; University of Washington School of Medicine; Seattle WA
13. Department of Neurological Surgery; University of Washington School of Medicine; Seattle WA
14. Oculoplastics and Orbital Surgery; University of Cape Town, Groote Schuur Hospital; Cape Town South Africa
15. Sinus & Oto Centro-Hospital Geral de Fortaleza; Fortaleza Brazil
16. Department of Otorhinolaryngology-Head and Neck Surgery; University of Malaya; Kuala Lumpur Malaysia
17. Department of Otolaryngology; University of Colorado School of Medicine; Aurora CO
18. Department of Neurosurgery; University of Colorado School of Medicine; Aurora CO
19. Discipline of Otolaryngology; University of Sydney; Sydney Australia
20. Department of Otolaryngology; Macquarie University; Sydney Australia
21. Department of Otolaryngology-Head and Neck Surgery; University of Pittsburgh School of Medicine; Pittsburgh PA
22. Department of Ophthalmology; University of Pittsburgh School of Medicine; Pittsburgh PA
23. Department of Otolaryngology-Head and Neck Surgery; Beijing Tongren Hospital; Beijing China