[1] Maggiore Hospital,Surgical Pathology Unit
[2] University of Bologna,Department of Experimental, Diagnostic and Specialty Medicine (DIMES)
[3] University of Bologna,Section of Anatomic Pathology, Department of Biomedical and Neuromotor Sciences, Bellaria Hospital
[4] Sant’Orsola-Malpighi Hospital,Surgical Pathology Unit
[5] Sant’Orsola-Malpighi Hospital,Otolaryngology Unit, Head and Neck Surgery
[6] University of Bologna,UOC ORL, Surgical Department, Bellaria Hospital