1 Neurosurgery Unit, Fondazione IRCCS Policlinico S. Matteo, Viale Golgi 19, 27100, Pavia, Italy. danielebongetta@hotmail.com.
2 Neurosurgery, Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, Università degli Studi di Pavia, Viale Golgi 19, 27100, Pavia, Italy. danielebongetta@hotmail.com.
3 Neurosurgery Unit, Fondazione IRCCS Policlinico S. Matteo, Viale Golgi 19, 27100, Pavia, Italy.