1 From the Neurology Department (A.L.-J., M.M.K., I.P.), Hospital Ruber Internacional, Madrid; Neurology Department (G.G.-G.), Hospital Infanta Sofía, Madrid; Neurology Department (J.D.G.-H.), Hospital Virgen de la Macarena, Sevilla; and Neurology Department (I.P.), Hospital Ramón y Cajal, Madrid, Spain.
2 From the Neurology Department (A.L.-J., M.M.K., I.P.), Hospital Ruber Internacional, Madrid; Neurology Department (G.G.-G.), Hospital Infanta Sofía, Madrid; Neurology Department (J.D.G.-H.), Hospital Virgen de la Macarena, Sevilla; and Neurology Department (I.P.), Hospital Ramón y Cajal, Madrid, Spain. iparees@ruberinternacional.es.