1. Radiology and Diagnostic Imaging Department, IRCCS Regina Elena National Cancer Institute, Rome, Italy
2. Department of Radiological Science, Radiotherapy and Hematology, Institute of Radiology, Fondazione Policlinico A. Gemelli IRCCS – Università Cattolica del Sacro Cuore, Rome, Italy
3. Department of Otolaryngology & Head and Neck Surgery, Regina Elena National Cancer Institute, Rome, Italy
4. Medical Physics Laboratory, IRCCS Regina Elena National Cancer Institute, Rome, Italy
5. Department of Pathology, IRCCS Regina Elena National Cancer Institute, Rome, Italy