Affiliation: | (1) Department of Pediatrics, University Clinical Hospital, E-50009 Zaragoza, Spain;(2) Department of Neurosurgery, University Clinical Hospital, E-50009 Zaragoza, Spain;(3) Department of Pathology, University Clinical Hospital, E-50009 Zaragoza, Spain;(4) Department of Nuclear Medicine, University Clinical Hospital, E-50009 Zaragoza, Spain;(5) Present address: Department of Neurology, Children's Hospital of Philadelphia, 34th Street & Civic Center Blvd., 19104 Philadelphia, PA, USA |