[1] Azienda Osped Univ, Unita Operat Neurol, Via Aldo Moro 8, I-44124 Ferrara, Italy
[2] Univ Ferrara, Dipartimento Sci Biomed & Chirurg Specialist, Unita Operat Clin Neurol, Via Aldo Moro 8, I-44124 Ferrara, Italy
[3] Azienda Osped Univ, Unita Operat Chirurg Vasc, Via Aldo Moro 8, I-44124 Ferrara, Italy
[4] Azienda Osped Univ, Unita Operat Neuroradiol, Via Aldo Moro 8, I-44124 Ferrara, Italy