1. From the Department of Neurology (F.d.l.R.l.R., B.M.K., M.L.F., P.K., O.A., D.W., S.F., D.O.K.), University of Cincinnati College of Medicine, Cincinnati, OH; Cincinnati Children's Hospital (J.K.), Cincinnati, OH; and the University of Cincinnati (K.A., C.J.M.), Cincinnati, OH.