1. Head and Neck Cancer, Neuro‑Oncology and Genetic Counseling Unit, Medical Oncology Department, Instituto de Investigación Sanitaria San Carlos, Spain
2. Radiology Department, Clinico San Carlos University Hospital, Madrid 28040, Spain
3. Nuclear Medicine Department, Clinico San Carlos University Hospital, Madrid 28040, Spain
4. Medical Oncology Department, Aliada Cancer Center, San Isidro 15036, Spain
5. Pathology Department, Clinico San Carlos University Hospital, Madrid 28040, Spain
6. Department of Craniomaxilofacial Surgery, Clinico San Carlos University Hospital, Madrid 28040, Spain