1 Unit of Neurosurgery, Department of Neurosciences, A. Manzoni Hospital, Lecco, Italy.
2 Unit of Neurosurgery, Department of Neurosciences, A. Manzoni Hospital, Lecco, Italy; Unit of Neurosurgery, Department of Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy. Electronic address: frague21@gmail.com.
3 Unit of Neurology, Department of Neurosciences, A. Manzoni Hospital, Lecco, Italy.