[1] WASHINGTON UNIV,SCH MED,MCDONNELL CTR STUDIES HIGHER BRAIN FUNCT,DEPT PEDIAT,ST LOUIS,MO 63178
[2] WASHINGTON UNIV,SCH MED,MCDONNELL CTR STUDIES HIGHER BRAIN FUNCT,DEPT NEUROL & NEUROSURG,ST LOUIS,MO 63178
[3] WASHINGTON UNIV,SCH MED,MCDONNELL CTR STUDIES HIGHER BRAIN FUNCT,DEPT BIOL CHEM,ST LOUIS,MO 63178
[4] WASHINGTON UNIV,SCH MED,MALLINCKRODT INST RADIOL,ST LOUIS,MO 63178