[1] ILLINOIS STATE PEDIAT INST, CHICAGO, IL 60608 USA
[2] ILLINOIS STATE PSYCHIAT INST, DEPT NEUROPATHOL, CHICAGO, IL 60612 USA
[3] ILLINOIS STATE PSYCHIAT INST, RES LAB, CHICAGO, IL 60612 USA
[4] ELGIN STATE HOSP, MENDEL RES LAB, ELGIN, IL 60120 USA