1aFrom the Department of Pediatric Neurology (J.L., E.C.L., S.V., R.S.), Children's Healthcare of Atlanta, Atlanta, Georgia
2dDepartment of Pediatrics (J.L., S.V., R.S.), Division of Neurology, Emory University School of Medicine, Atlanta, Georgia
3cDivision of Neuroradiology, Department of Neurology (E.C.L.)
4bDepartment of Radiology and Imaging Sciences (R.B.P.)