1 Maxillofacial Surgery Department, Academic Hospital of Udine, Department of Medicine, University of Udine, Udine, Italy.
2 Maxillofacial Surgery Department, Academic Hospital of Udine, Department of Medicine, University of Udine, Udine, Italy. Electronic address: salvatore.sembronio@uniud.it.
3 Departmenti of medicine, University of Foggia, Foggia, Italy.
4 Institute of Pathology, Academic Hospital of Udine, Department of Medicine, University of Udine, Udine, Italy.