1. Maxillo-Facial and Dental Unit, Fondazione Ca' Granda IRCCS Ospedale Maggiore Policlinico, Department of Biomedical, Surgical and Dental Sciences; University of Milan; Milan Italy
2. Unit of Anatomical Pathology, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico; University of Milan; Milan Italy