Gambetti, P; Petersen, R; Monari, L; Tabaton, M; Autilio-Gambetti, L; Cortelli, P; Montagna, P; Lugaresi, E; Gambetti P; Division of Neuropathology, Institute of Pathology, Case Western Reserve University; Petersen R; Division of Neuropathology, Institute of Pathology, Case Western Reserve University; Monari L; Division of Neuropathology, Institute of Pathology, Case Western Reserve University; Tabaton M; Division of Neuropathology, Institute of Pathology, Case Western Reserve University; Autilio-Gambetti L; Division of Neuropathology, Institute of Pathology, Case Western Reserve University; Cortelli P; Neurological Institute, University of Bologna; Montagna P; Neurological Institute, University of Bologna; Lugaresi E; Neurological Institute, University of Bologna