1. Ear, Nose, and Throat Department, Bordeaux University Hospital, Bordeaux, France;
2. Head and Neck Surgery Department, Central University Hospital, Nancy, France;
3. Université Côte D'Azur, Institut Universitaire de la Face et du Cou, Centre Hospitalier Universitaire de Nice, Nice, France;
4. Otorhinolaryngology, Phoniatry, and Head and Neck Surgery Department, Lyon University Hospital, Lyon, France;
5. Ear, Nose, and Throat Department, Necker University Hospital for Sick Children, Paris, France;
6. Ear, Nose, and Throat Department, Nice-Lenval University Hospital, Nice, France;
7. Clinical Research, Oticon Medical, Vallauris, France;
8. Clinical Research, Oticon Medical, Smørum, Denmark;
9. Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden;
10. Ear, Nose, and Throat Department, Pitié-Salpêtrière University Hospital, Paris, France;
11. Ear, Nose, and Throat Department, Nantes University Hospital, Nantes, France;
12. Otology and Oto-Neurology Department, Lille University Hospital, Lille, France