[1] Louisiana State Univ, Sch Med, Dept Pediat, New Orleans, LA 70112 USA
[2] Louisiana State Univ, Hlth Sci Ctr, Dept Pediat, New Orleans, LA 70112 USA
[3] Childrens Hosp, New Orleans, LA USA
[4] Cheongju St Marys Hosp, Dept Pediat, Cheongju, Chungbuk, South Korea
[5] Louisiana State Univ, Hlth Sci Ctr, Dept Neurol, New Orleans, LA 70112 USA
[6] Louisiana State Univ, Hlth Sci Ctr, Dept Ophthalmol, New Orleans, LA 70112 USA