1 Department of Experimental Biomedicine and Clinical Neurosciences, Neurosurgical Clinic, AOPU "P. Giaccone" University Study of Palermo, Palermo, Italy. Francesca.graziano03@unipa.it.
2 Department of Experimental Biomedicine and Clinical Neurosciences, School of Medicine, Neurosurgical Clinic, University of Palermo, Via del Vespro 129, 90100, Palermo, Italy. Francesca.graziano03@unipa.it.
3 Department of Experimental Biomedicine and Clinical Neurosciences, Neurosurgical Clinic, AOPU "P. Giaccone" University Study of Palermo, Palermo, Italy.