1. Otology and Neurotology Group CTS495, Department of Genomic Medicine, Centre for Genomics and Oncology Research – Pfizer/Universidad de Granada/Junta de Andalucía (GENyO), PTS, Granada, Spain
2. Department of Otolaryngology, Hospital de Poniente, El Ejido, Almeria, Spain
3. Department of Otolaryngology, Head and Neck Surgery, John Hopkins University School of Medicine, Baltimore, MD, USA
4. Department of Otolaryngology, Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan Univerisity School of Medicine, Seoul, Korea
5. Department of Otolaryngology, Head and Neck Surgery, Washington University School of Medicine, Saint Louis, MO, USA
6. Department of Otolaryngology, University of Lund, Lund, Sweden
7. Otology and Skull Base Department, Azienda Ospedaliera Universitaria Senese, Siena, Italy
8. Department of Neurology, John Hopkins University School of Medicine, Baltimore, MD, USA
9. Department of Neurology and German Center for Vertigo and Balance Disorders, Ludwig-Maximilians University, Munich, Germany
10. Department of Otolaryngology, Tokyo Medical University, Tokyo, Japan
11. Department of Neurology, Centre Hospitalier Emile Mayrisch, Esch-sur-Alzette, Luxembourg