[1] Univ Naples Federico II, Intervent Neuroradiol Unit, I-80131 Naples, Italy
[2] Univ Naples 2, Inst Radiol, Naples, Italy
[3] Univ Naples Federico II, Div Neurosurg, I-80131 Naples, Italy
[4] Univ Turin, Neuroradiol Div, Turin, Italy
[5] Osped Niguarda Ca Granda, Intervent Neuroradiol Div, Milan, Italy
[6] Osped Angelo, Neuroradiol Unit, Venice, Italy
[7] San Martino Hosp, Dept Neuroradiol, Genoa, Italy
[8] City Hosp, Neuroradiol Div, Vicenza, Italy
[9] Fdn IRCCS Ist Neurol Carlo Besta, Neuroradiol Unit, Milan, Italy
[10] Bellaria Maggiore Hosp, Dept Neuroradiol, Bologna, Italy
[11] Univ Hosp, Unit Neuroradiol & Intervent Radiol, Bari, Italy
[12] San Giovanni Bosco Hosp, Unit Neuroradiol, Naples, Italy
[13] Treviso Hosp, Dept Neuroradiol, Treviso, Italy
[14] IRCCS Casa Sollievo Sofferenza, Unit Biostat, San Giovanni Rotondo, Italy
[15] Univ Brescia, Osped Civili, Inst Neuroradiol, Brescia, Italy
[16] Univ Roma La Sapienza, Sch Med, Rome, Italy
[17] Amedeo Avogadro Univ, Dept Radiol, Novara, Italy
[18] Vicenza Hosp, Dept Neuroradiol, Vicenza, Italy
[19] Osped Maggiore Policlin, Fdn IRCCS Ca Granda, Milan, Italy
[20] V Fazzi Hosp, Dept Neuroradiol, Lecce, Italy
[21] Careggi Hosp, Dept Neuroradiol, Florence, Italy
[22] Umberto I Hosp, Dept Neuroradiol, Salerno, Italy
[23] Univ Parma, Dept Neuroradiol, I-43100 Parma, Italy
[24] A Cardarelli Hosp, Neuroradiol Unit, Naples, Italy
[25] EO Osped Galliera, Unit Diagnost & Intervent Neuroradiol, Genoa, Italy
[26] Udine Univ Hosp, Dept Neuroradiol, Udine, Italy
[27] SS Annunziata Hosp, Dept Radiol & Neuroradiol, Taranto, Italy
[28] Santa Corona Hosp, Neuroradiol Unit, Sanova, Italy
[29] St Anna Hosp, Neuroradiol Unit, Ferrara, Italy
[30] Loreto Nuovo Hosp, Neuroradiol Unit, Naples, Italy