1 Neurosurgery Unit, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy.
2 Neurosurgery Unit, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, University of Brescia, Brescia, Italy. Electronic address: kristy.latour@gmail.com.
3 Department of Industrial and Information Engineering and Economics, Università degli Studi dell'Aquila, L'Aquila, Italy.