From the Neurology Department (E.C., C.G.-P., I.M., K.L., N.M., D.D., A.G., L.A.) and Research Unit (S.C.), Hospital Universitario Burgos; Movement Disorders Unit, Neurology Department (S.-I.M.-H., F.S.S.), Hospital de La Santa Creu I Sant Pau, Barcelona; Centro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED) (S.-I.M.-H., F.S.S.), Madrid; Neurology Department (A.M.D.), Fundación Jiménez Diez, Madrid; and Genetic Department (M.A.R.-A.), Complejo Hospitalario de Navarra, Pamplona, Spain.