1. Oticon Medical AB; Askim Sweden
2. Department of Biomaterials; Institute of Clinical Sciences; Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
3. Department of Otorhinolaryngology and Head and Neck Surgery; Maastricht University Medical Center+; Maastricht The Netherlands
4. Queen Elizabeth Hospital; Birmingham UK
5. Department of Otorhinolaryngology; Radboud University Medical Center; Nijmegen The Netherlands
6. Midland Regional Hospital; Tullamore Ireland
7. Department of Skull Base Surgery; Addenbrookes Hospital; Cambridge University Teaching Hospitals NHS Trust; Cambridge UK
8. Unit of Audiology; Department of Surgical Sciences and Translational Medicine; Careggi Hospital; University of Florence; Florence Italy
9. Isala Klinieken; Zwolle The Netherlands
10. Department of Otolaryngology; James Cook University Hospital; Middlesbrough UK
11. Department of Otolaryngology, Head and Neck Surgery; Kliniken Maria Hilf; Mönchengladbach Germany
12. Gruppo Otologico; Piacenza Italy
13. Venice International Otolaryngology Network; Venice Italy
14. Norfolk and Norwich University Hospital NHS Trust; Norwich UK
15. Department of Surgical Sciences; Section of Otorhinolaryngology and Head and Neck Surgery; Uppsala University; Uppsala Sweden
16. Department of ENT and Audiology; Torbay Hospital; Devon UK
17. Department of Otorhinolaryngology; Karolinska University Hospital; Stockholm Sweden