1 Department of Neurosurgery, ARNAS Garibaldi, Catania, Italy.
2 Department of Diagnostic Imaging, Interventional Radiology and Neuroradiology, ARNAS Garibaldi, Catania, Italy.
3 Department of Radiology, Policlinico San Matteo Pavia Fondazione IRCCS, Pavia, Italy.
4 Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Postgraduate Residency Program in Neurological Surgery, Neurosurgical Clinic, AOUP "Paolo Giaccone", Palermo, Italy.
5 Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Postgraduate Residency Program in Neurological Surgery, Neurosurgical Clinic, AOUP "Paolo Giaccone", Palermo, Italy. Electronic address: [email protected].