1. Department of Neurology and Psychia-try, Endovascular Neurosurgery/Interven-tional Neuroradiology, ‘Sapienza’ Univers-ity of Rome, Rome, Italy
2. Department of Neurology and Psychiatry, Neurosurgery, ‘Sapienza’ University of Rome, Rome, Italy
3. Department of Neuroradiology, Policlinico of Bari, University of Bari, Bari, Italy
4. Department of Radiology, Sint Elisa-beth Ziekenhuis, Tilburg, the Netherlands
5. Department of Radiology–Neuroradiology, Ospedale SS Annunziata ASL Taranto, Taranto, Italy
6. Department of Interventional Neuroradiology, Pitié-Salpêtrière Hospital, Paris, France
7. Department of Neurology and Psychiatry, Interven-tional Neuroradiology, ‘Sapienza’ Univers-ity of Rome, Rome, Italy