[1] WASHINGTON UNIV,SCH MED,EDWARD MALLINCKRODT DEPT PEDIAT,ST LOUIS,MO 63130
[2] WASHINGTON UNIV,SCH MED,DEPT NEUROL & NEUROSURG NEUROL,ST LOUIS,MO 63130
[3] WASHINGTON UNIV,SCH MED,DEPT PATHOL NEUROPATHOL,ST LOUIS,MO 63130
[4] ST LOUIS CHILDRENS HOSP,DEPT GASTROENTEROL,ST LOUIS,MO 63110
[5] ST LOUIS CHILDRENS HOSP,DEPT NEUROL,ST LOUIS,MO 63110
[6] ST LOUIS CHILDRENS HOSP,DEPT NEUROPATHOL,ST LOUIS,MO 63110