[1] UNIV WASHINGTON,DEPT PEDIAT,SEATTLE,WA 98195
[2] VET ADM MED CTR,SEATTLE,WA 98108
[3] FRED HUTCHINSON CANC RES CTR,SEATTLE,WA 98104
[4] GEORGETOWN UNIV,MED CTR,DEPT MED,WASHINGTON,DC 20007
[5] ST JUDE CHILDRENS RES HOSP,DEPT HEMATOL ONCOL,MEMPHIS,TN 38101
[6] UNIV TENNESSEE,CTR HLTH SCI,COLL MED,MEMPHIS,TN 38163
[7] CUNY,MT SINAI MED CTR,NEW YORK,NY 10021
[8] LOUISIANA STATE UNIV,MED CTR,DEPT MED,NEW ORLEANS,LA 70112
[9] CHILDRENS CANC STUDY GRP,PASADENA,CA