[1] Bellaria Maggiore Hosp, Azienda USL IRCCS Inst Neurol Sci, Dept Med Oncol, I-40139 Bologna, Italy
[2] Univ Bologna, Sect Pathol, M Malpighi Bellaria Hosp, Dept Biomed & NeuroMotor Sci DiBiNeM, Bologna, Italy
[3] Verona Hosp, Dept Pathol, Verona, Italy
[4] Bellaria Maggiore Hosp, Azienda USL IRCCS Inst Neurol Sci, Dept Neuroradiol, Bologna, Italy
[5] Bellaria Hosp, IRCCS Inst Neurol Sci, Dept Neurosurg, Azienda USL, Bologna, Italy
[6] CRO, Dept Radiotherapy Unit, Aviano, Italy
[7] San Bortolo Hosp, Dept Neurosci & Neurosurg, Vicenza, Italy
[8] Careggi Univ Hosp, Dept Neurosurg 1, Florence, Italy
[9] Univ Verona, Dept Neurosci, Neurosurg Sect, I-37100 Verona, Italy
[10] Univ Hosp, Dept Med DIMED, Surg Pathol & Cytopathol Unit, Padua, Italy
[11] Univ Bologna, Bellaria Hosp, Anat Pathol Unit, Dept Med DIMES, Bologna, Italy
[12] Parma Univ Hosp, Dept Neuroradiol, Parma, Italy