[1] NORTHWESTERN UNIV,MED SCH,DEPT PATHOL,CHICAGO,IL 60611
[2] LOYOLA UNIV,STRITCH SCH MED,CHICAGO,IL 60626
[3] UNIV CHICAGO,PRITZKER SCH MED,DEPT PATHOL,CHICAGO,IL 60637
[4] UNIV ILLINOIS,ABRAHAM LINCOLN SCH MED,CHICAGO,IL 60680
[5] UNIV HLTH SCI,CHICAGO MED SCH,CHICAGO,IL 60608
[6] HEKTOEN INST MED RES,CONGENITAL HEART DIS RES & TRAINING CTR,CHICAGO,IL 60612