[1] Univ Louisville, Dept Neurosurg, Div Phys Med & Rehabil, Sch Med, Louisville, KY USA
[2] Mayo Clin, Dept Lab Med & Pathol, Sch Grad Med Educ, Rochester, MN USA
[3] Univ Cincinnati, Coll Med, Dept Pediat, Div Neurol, Cincinnati, OH USA
[4] Univ Cincinnati, Coll Med, Dept Pediat, Div Human Genet, Cincinnati, OH USA
[5] Univ Louisville, Div Pediat Hosp Med, Sch Med, Dept Pediat, Louisville, KY USA
[6] Norton Childrens Hosp, Louisville, KY USA