Affiliation: | Istituto di Neurologia, UniversitàCattolica, L.go A. Gemelli 8, 00168 Rome,;Neurofisiologia CTO, Via S. Nemesio 21, 00145 Rome, UK;Neurochirurgia CTO, Via S. Nemesio 21, 00145 Rome, UK;IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy and UK;MRC Human Movement &Balance Unit, The National Hospital for Neurology &Neurosurgery, Queen Square, London WC1N 3BG, UK |