M. Esposito (&) *, R. Dubbioso, R. Iodice, L. Santoro: Department of Neurological Sciences, University Federico II of Naples, Via Sergio Pansini, 5, 80131 Naples, Italy e-mail: marcelloesposito@live.it
A. Fasano: Division of Neurology, Movement Disorders Center, TWH, UHN, University of Toronto, Toronto, ON, Canada
C. Crisci: Neurorehabilitation Department, Clinic Center, Naples, Italy