[1] WHITEHEAD INST BIOMED RES,CAMBRIDGE,MA 02142
[2] UNIV CALIF SAN FRANCISCO,GEORGE WILLIAMS HOOPER FDN,SAN FRANCISCO,CA 94143
[3] TUFTS UNIV,SCH MED,DEPT MOLEC BIOL & MICROBIOL,BOSTON,MA 02111
[4] CUNY HUNTER COLL,NEW YORK,NY 10021
[5] COLUMBIA UNIV,DEPT BIOCHEM & MOLEC BIOPHYS,NEW YORK,NY 10032
[6] NCI,FREDERICK CANC RES FACIL,MOLEC VIROL & CARCINOGENESIS LAB,FREDERICK,MD 21701
[7] WORCESTER FDN EXPTL BIOL,CELL BIOL GRP,SHREWSBURY,MA 01545
[8] FOX CHASE CANC CTR,PHILADELPHIA,PA 19111
[9] UNIV WISCONSIN,MCARDLE LAB CANC RES,DEPT ONCOL,MADISON,WI 53706
[10] CORNELL UNIV,DEPT BIOCHEM MOLEC & CELL BIOL,ITHACA,NY 14853