[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,DONNER LAB,BERKELEY,CA 94720
[2] ST JUDE CHILDRENS RES HOSP,MEMPHIS,TN 38101
[3] PENN STATE UNIV,MILTON S HERSHEY MED CTR,COLL MED,DEPT PHYSIOL & PHARMACOL,HERSHEY,PA 17033
[4] UNIV CALIF BERKELEY,DEPT MOLEC BIOL,BERKELEY,CA 94720
[5] IMPERIAL CANC RES FUND,CLARE HALL LABS,S MIMMS EN6 3LD,HERTS,ENGLAND
[6] INST GUSTAVE ROUSSY,F-94805 VILLEJUIF,FRANCE
[7] CHRISTIE HOSP & HOLT RADIUM INST,PATERSON INST CANC RES,MANCHESTER M20 9BX,LANCS,ENGLAND
[8] INT AGCY RES CANC,F-69372 LYON,FRANCE
[9] CHEM IND INST TOXICOL,DEPT BIOCHEM TOXICOL & PATHOBIOL,RES TRIANGLE PK,NC 27709
[10] APPL GENET INC,FREEPORT,NY 11520