[1] Univ MacDonald Womens Hosp, Div Gynecol Oncol, Cleveland, OH 44106 USA
[2] Case Western Reserve Univ, Dept Reprod Biol, Cleveland, OH 44106 USA
[3] Northeastern Ohio Univ Coll Med & Pharm, Dept Obstet & Gynecol, Rootstown, OH 44272 USA
[4] Akron Gen Med Ctr, Dept Obstet & Gynecol, Akron, OH 44307 USA
[5] Univ Hosp Cleveland, Dept Obstet & Gynecol, Div Gynecol Oncol, Cleveland, OH 44106 USA