1. Department of Audiology and Audiovestibular Medicine, Sight and Sound Centre, Great Ormond Street Hospital for Children NHS FT, London, UK
2. French OI association patient representative, Paris, France
3. Care4BrittleBones Foundation, Wassenaar, the Netherlands
4. Technologies et thérapie génique pour la surdité, Institut de l'audition, Institut Pasteur/Inserm/Université Paris Cité, Paris, France—Unité Fonctionnelle Implants Auditifs, ORL, GH Pitié-Salpêtrière, AP-HP Sorbonne Université, Paris, France
5. Department of Sensorial Organs, Audiology Operative Unit, Sapienza University of Rome, Rome Italy
6. Harvard Medical School, Beth Israel Lahey Hospital, Department of Surgery, Division of Otolaryngogy, Boston, Massachusetts