From the Department of Neurological Surgery (C.S., I.A.A., Z.A.H., R.S., C.C.G., M.B., H.H.B., B.R.B.), Center for Genetic Medicine (N.J., M.B.), and Robert H. Lurie Comprehensive Cancer Center (S.L., P.D., M.B.), Feinberg School of Medicine, Northwestern University, Chicago, Ill, and Division of Neurosurgery (C.S., I.A.A., R.S.), Northshore University HealthSystem, Evanston, Ill.(2009-04時点)