[1] DANA FARBER CANC INST,DIV GYNECOL ONCOL,BOSTON,MA
[2] UNIV ROCHESTER,DEPT OBSTET & GYNECOL,ROCHESTER,NY 14627
[3] UNIV ROCHESTER,CTR CANC,ROCHESTER,NY 14627
[4] HARVARD UNIV,SCH MED,DEPT OBSTET & GYNECOL,BOSTON,MA 02115
[5] DUKE UNIV,MED CTR,DEPT MED,DURHAM,NC 27710