1. Department of Otolaryngology–Head and Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri
2. Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
3. Department of Otorhinolaryngology, Hannover Medical School, Hannover, Germany
4. Department of Otology and Neurotology, University of Nottingham, Nottingham, United Kingdom
5. Nottingham Biomedical Research Center, Nottingham University Hospitals National Health Service (NHS) Trust, Nottingham, United Kingdom
6. Ohio State University Wexner Medical Center, The Ohio State University, Columbus
7. Rocky Mountain Ear Center, Englewood, Colorado
8. Department of Otolaryngology, The University of Melbourne, Melbourne, Victoria, Australia
9. Otology and Cochlear Implant Clinic, Royal Victorian Eye and Ear Hospital, Melbourne, Victoria, Australia
10. Department of Surgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia
11. Department of Otorhinolaryngology, Mayo Clinic School of Medicine, Rochester, Minnesota
12. Department of Otolaryngology, General Hospital of People’s Liberation Army, Beijing, China
13. Division of Head and Neck Surgery and Communication Sciences, Duke Surgery, Duke University School of Medicine, Durham, North Carolina
14. Department of Otolaryngology–Head and Neck Surgery, University of Iowa, Iowa City
15. Division of Otolaryngology–Head & Neck Surgery, School of Medicine, University of Utah Hospital, Salt Lake City
16. Department of Otolaryngology–Head and Neck Surgery, Medical University of South Carolina, Charleston
17. now with Department of Otolaryngology, University of Miami, Miami, Florida
18. Cochlear Implant Department, Karolinska University Hospital, Stockholm, Sweden
19. Department of ENT and Head Neck Surgery, Seth Gordhandas Sunderdas Medical College, King Edward Memorial Hospital, Mumbai, India
20. Cochlear Implant Center, Stanford University School of Medicine, Stanford, California
21. Department of Ear Nose Throat, Radboud University Medical Centre, Nijmegen, the Netherlands
22. NYU Langone Health, New York University School of Medicine, New York
23. Royal National Throat, Nose and Ear Hospital and University College London Ear Institute, London, United Kingdom
24. Institute of Physiology and Pathology of Hearing, World Hearing Center, Kajetany, Nadarzyn, Poland
25. Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
26. Institute of Sensory Organs, Kajetany, Nadarzyn, Poland
27. Arizona Hearing Center, Phoenix
28. School of Population Health–Audiology, The University of Auckland, Auckland, New Zealand
29. Department NKO & Head-Neck Surgery, Antwerp University Hospital, University of Antwerp, Edegem, Belgium
30. Service d’Otologie et Oto-Neurologie, Centre Hospitalier Universitaire de Lille, Lille, France
31. Department of Otolaryngology–Head and Neck Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
32. Department of Otorhinolaryngology and Auditory and Voice Surgery, University of Tokyo Hospital, Tokyo, Japan
33. Department of Otolaryngology–Head and Neck Surgery, University of Michigan, Ann Arbor