[1] BETH ISRAEL HOSP,DEPT RADIAT ONCOL,BOSTON,MA 02215
[2] HARVARD UNIV,SCH MED,DANA FARBER CANC INST,DEPT RADIAT ONCOL,BOSTON,MA 02115
[3] GEORGETOWN UNIV,MED CTR,VINCENT T LOMBARDI CANC RES CTR,WASHINGTON,DC 20007
[4] IST NAZL STUDIO & CURA TUMORI,I-20133 MILAN,ITALY
[5] GEORGETOWN UNIV,MED CTR,DEPT MED,WASHINGTON,DC 20007
[6] GEORGETOWN UNIV,MED CTR,DEPT PHARMACOL,WASHINGTON,DC 20007
[7] HARVARD UNIV,SCH PUBL HLTH,DEPT EPIDEMIOL,BOSTON,MA 02115
[8] HARVARD UNIV,SCH PUBL HLTH,DEPT NUTR,BOSTON,MA 02115
[9] HARVARD UNIV,SCH MED,CHANNING LAB,DEPT MED,BOSTON,MA 02115
[10] BRIGHAM & WOMENS HOSP,DEPT MED,BOSTON,MA 02115