Institution: | 1. Neurology Department, University of Perugia, Perugia, ItalyNeurology Department, Università di Perugia, S. Andrea delle Fratte, 06156 Perugia, Italy;2. Interventional Angiography, Neuroradiology Department, Ospedale S. Maria Della Misericordia, Perugia, Italy;3. Neurosurgery Department, Ospedale S. Maria Della Misericordia, Perugia, Italy;4. Neurology Department, University of Perugia, Perugia, Italy |