1. Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia;
2. Neurosurgery Unit, Department of Surgical Sciences, Fondazione IRCCS Policlinico San Matteo, Pavia;
3. Department of Science and High Technology, University of Insubria, Como;
4. PhD School in Experimental Medicine, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia;
5. Emergency Department, IRCCS Policlinico San Matteo, Pavia; and
6. Department of Diagnostic Radiology and Interventional Radiology and Neuroradiology, University of Pavia, IRCCS Policlinico San Matteo Foundation, Pavia; and
7. Neurosurgery Unit, Maria Cecilia Hospital, Cotignola, Italy