| Antwerp University Hospital | Belgium | Edegem / Antwerp | +32 3 821 33 85 |
| Bradford Royal Infirmary | United Kingdom | Bradford | +44 1274 364 853 |
| Capital Medical University, Beijing Tongren Hospital | China | Beijing | +86 10 58268373 |
| Central Manchester University Hospitals, Manchester Auditory Implant Centre | United Kingdom | Manchester | +44-161 275 3364 |
| CHU - Centre Hospitalier Universitaire de Rennes | France | Rennes | +33 2 9928 4321 |
| Clinica Rivas, Centro Medico Otologico | Colombia | Bogota D.C. | +57 1 616 0438 |
| Ear Science Institute Australia, Lions Hearing Clinic | Australia | Subiaco | +61 8 6380 4990 |
| ENT Super Speciality Institute and Research Center | India | Calicut | +91 495 2386060 |
| Hospital La Paz | Spain | Madrid | +34 91 207 16 51 |
| Institute of Physiology and Pathology of Hearing | Poland | Kajetany | +48 (022) 356 03 01 |
| Instituto de ORL, Buenos Aires | Argentina | Buenos Aires | +54 11 4953 7958 |
| Kansas University Center for Hearing and Balance Disorders | United States | Kansas City | +1 913 588 6731 |
| Karolinska University Hospital | Sweden | Stockholm | +46 8 585 800 00 |
| Klinik und Poliklinik für Hals-, Nasen und Ohren- Krankheiten, Universität Würzburg | Germany | Würzburg | +49 931 201 21701 |
| London Health Sciences Centre | Canada | London | +1 519 663 3641 |
| Madras ENT Research Foundation (MERF) | India | Chennai, Tamil Nadu | +91 44 2431 1411 |
| Medizinische Universität Wien, Medical University of Vienna, Universitätsklinik für Hals-, Nasen- und Ohrenkrankheiten | Austria | Vienna | +43 1 404 00 3305 |
| Shinshu University School of Medicine | Japan | Matsumoto | +81 263 35 4600 |
| St. Petersburg ENT and Speech Research Institute | Russia | St. Petersburg | +7 812 316 2256 |
| The Department of Hearing, Voice, and Language Disorders (HSS) of the University Hospital Innsbruck | Austria | Innsbruck | +43 0 512 504 23218 |
| The Otolaryngology, Head & Neck Surgery Unit. School of Surgery, University of Western Australia, Fremantle Hospital. | Australia | Fremantle | +61 8 9431 2144 |
| The University of North Carolina at Chapel Hill School of Medicine | United States | Chapel Hill | +1 919 966 3342 |
| Universitätsklinik für Hals- Nasen- Ohrenheilkunde Innsbruck | Austria | Innsbruck | +43 512 504 23141 |
| Universitätsklinik für HNO, Kopf- und Halschirurgie, Inselspital Bern | Switzerland | Bern | +41 31 632 2921 |
