Department of Rehabilitation and Functional Recovery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy. brugliera.luigia@hsr.it. Department of Neurosurgery and Gamma Knife Radiosurgery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy. Department of Rehabilitation and Functional Recovery, I.R.C.C.S. San Raffaele Scientific Institute, Vita-Salute University, Milan, Italy. Postgraduate Specialization in Physical and Rehabilitation Medicine, University of Milan, Milan, Italy.