1. Neurosurgery Unit, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
2. Neurosurgery Unit, Department of Surgical Sciences, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
3. Department of Neurological Surgery, University of Illinois at Chicago, Chicago, IL, USA
4. Department of Pediatric Neurosurgery, Leon Pediatric Neuroscience Center of Excellence, Arnold Palmer Hospital for Children, Orlando, FL, USA
5. School in Experimental Medicine, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
6. Neurosurgery Unit, Maria Cecilia Hospital, Cotignola, Italy