1. Department of Otorhinolaryngology–Head & Neck Surgery, King Fahad Medical City, Riyadh, Saudi Arabia
2. Department of Otolaryngology–Head & Neck Surgery, The Ohio State University Wexner Medical Center, Columbus
3. Department of Otolaryngology–Head & Neck Surgery, Johns Hopkins School of Medicine, Baltimore, Maryland
4. National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland
5. Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
6. Division of Neurosurgery, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
7. Centro de Otorrinolaringologia e Fonoaudiologia, Complexo Hospitalar Edmundo Vasconcelos, São Paulo, Brasil
8. Indiana University, Department of Neurosurgery and Goodman Campbell Brain and Spine, Indianapolis, Indiana
9. Department of Otorhinolaryngology, Faculty of Medicine, Cairo University, Cairo, Egypt
10. Department of Otolaryngology–Head & Neck Surgery, University of Miami, Miller School of Medicine, Miami, Florida
11. Department of Neurosurgery, University of Miami, Miami, Florida
12. ENT Department, Ospedale Bellaria, Bologna, Italy
13. Center of Pituitary and Endoscopic Skull Base Surgery, Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
14. Pacific Brain Tumor Center and Pituitary Disorders Program, John Wayne Cancer Institute at Providence Saint John's Health Center, Santa Monica, California
15. Medical School, University of Nicosia, Nicosia, Cyprus
16. Department of Otorhinolaryngology, Royal Pearl Hospital, Tiruchirapally, Tamil Nadu, India
17. Unit of Otorhinolaryngology–Head and Neck Surgery, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy
18. Department of Neurosurgery, The Ohio State University Wexner Medical Center, Columbus