1 Head and Neck Department, Fondazione Policlinico Universitario A. Gemelli-IRCCS, School of Dentistry, Università Cattolica del Sacro Cuore, Rome, Italy.
2 Department of Radiation Oncology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Institute of Radiology, Università Cattolica del Sacro Cuore, Rome, Italy.
4 Head and Neck Department, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Institute of Otolaryngology, Università Cattolica del Sacro Cuore, Rome, Italy.
5 Department of Life Sciences and Public Health, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy.
6 Department of Medical Oncology, Fondazione Policlinico Universitario A. Gemelli-IRCCS, Institute of Radiology, Università Cattolica del Sacro Cuore, Rome, Italy.