1 Institute of Psychiatry and Psychology, Catholic University of Sacred Heart, Rome, Italy (MP, MDN, LDR, GC, LJ); Movement Disorders Center, Toronto Western Hospital, Krembil Neurosciences Program, Division of Neurology, University of Toronto, Toronto, Ontario, Canada (AF); Department of Neurosciences and Imaging, University "G. D'Annunzio", Chieti, Italy (GM); and Institute of Neurology, Catholic University of Sacred Heart, Rome, Italy (ARB).