Affiliation: | aDivision of Child Neurology, National Center Hospital for Mental, Nervous and Muscular Disorders, Kodaira, Tokyo ,Japan bDepartment of Inherited Metabolic Diseases, Kodaira, Tokyo ,Japan cMental Retardation and Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry (NCNP), Kodaira, Tokyo ,Japan |