1. Department of Otolaryngology Hospital Universitario La Paz Madrid Spain
2. IdiPAZ Research Institute Madrid Spain
3. Biomedical Research Networking Centre on Rare Diseases (CIBERER) Institute of Health Carlos III Madrid Spain
4. Department of Physical Medicine and Rehabilitation Hospital Universitario La Paz Madrid Spain
5. Department of Maxillofacial Surgery Hospital Universitario La Paz Madrid Spain
6. Department of Neurosurgery Hospital Universitario La Paz Madrid Spain