[1] Univ Hosp Palermo, Dept Rehabil Fragil & Continu Care, Unit Oral Med & Dent Fragile Patients, Palermo, Italy
[2] Univ Palermo, Dept Precis Med Med Surg & Crit Care, Palermo, Italy
[3] Univ Messina, Dept Biomed & Dent Sci & Morphofunct Imaging, Messina, Italy
[4] Univ Padua, Reg Ctr Prevent Diag & Treatment Medicat & Radiat, Padua, Italy
[5] Univ Padua, Dept Neurosci, Padua, Italy
[6] Univ Verona, Dept Med, Verona, Italy
[7] Azienda Osped Alessandria SS Antonio & Biagio & Ce, Oncol Unit, Alessandria, Italy