1. Department of Neurology and German Center for Vertigo and Balance Disorders, University Hospital Munich, University of Munich, Germany
2. 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 and Department of Otolaryngology, University Hospital Granada, Spain
3. Department of Neurology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, South Korea
4. Department of Neurology, University Hospital Zurich, University of Zurich, Switzerland
5. Department of Neurology & Neurobiology, University of California, Los Angeles, CA, USA
6. Department of Otorhinolaryngology, Johns Hopkins University School of Medicine, Baltimore, USA
7. Department of Neurology, Centre Hospitalier Emile Mayrisch, Esch, Luxemburg