[1] NCI, DIV CANC ETIOL,ENVIRONM EPIDEMIOL BRANCH, FAMILY STUDIES SECT,LANDOW BLDG,ROOM 3C25, BETHESDA, MD 20892 USA
[2] NCI, DIV CANC ETIOL, RADIAT EPIDEMIOL BRANCH, BETHESDA, MD 20892 USA
[3] UNIV TEXAS, MD ANDERSON HOSP & TUMOR INST, CTR CANC, DEPT GYNECOL, HOUSTON, TX 77030 USA
[4] MAYO CLIN & MAYO FDN, DEPT OBSTET & GYNECOL, ROCHESTER, MN 55905 USA
[5] MAYO CLIN & MAYO FDN, DEPT MED STAT, ROCHESTER, MN 55905 USA
[6] MAYO CLIN & MAYO FDN, DEPT EPIDEMIOL, ROCHESTER, MN 55905 USA
[7] PRINCESS MARGARET HOSP, DEPT RADIAT ONCOL, TORONTO M4X 1K9, ONTARIO, CANADA
[8] UNIV ROCHESTER, SCH MED & DENT, CTR CANC, DIV MED ONCOL, ROCHESTER, NY 14642 USA
[9] BRIGHAM & WOMENS HOSP, DEPT MED, DIV HEMATOL, BOSTON, MA 02115 USA