1. Department of Human Neurosciences, Neurosurgery, Policlinico Umberto I, “Sapienza” University of Rome, Italy
2. Department of Neurosurgery, University of Catania, Catania, Italy
3. Department of Medical-Surgical Sciences and Biotechnologies, Academic Neurology Unit, Ospedale A. Fiorini, Terracina, LT, “Sapienza” University of Rome, Polo Pontino, Italy
4. IRCCS Neuromed-Pozzilli, “Sapienza” University of Rome, Polo Pontino, Italy