Affiliation: | a Department of Clinical Neurophysiology, Hospital Ramon y Cajal, Ctra. de Colmenar Viejo km. 9, 100 28034 Madrid, Spain b Department of Neurology, Hospital Universitario Virgen del Rocío, Sevilla, Spain c Department of Neurology, Hospital Ramón y Cajal, Madrid, Spain d Department of Pathology, Hospital Ramon y Cajal, Madrid, Spain |