1. Department of Sense Organs, “Sapienza” University of Rome, Rome, Italy
2. Unit of Otorhinolaryngology, Department of Surgery, University of Cagliari, Cagliari, Italy
3. Service ORL, Otologie, Implants Auditifs et Chirurgie de la Base du Crâne, AP-HP, GHU Pitié-Salpêtrière, Paris, France