[1] Heidelberg Univ, Dept Obstet & Gynaecol, Heidelberg, Germany
[2] Natl Ctr Tumor Dis, Heidelberg, Germany
[3] German Canc Res Ctr, HI STEM, Heidelberg, Germany
[4] Univ Med Ctr Hamburg Eppendorf, Inst Tumor Biol, Hamburg, Germany
[5] Univ Med Ctr Hamburg Eppendorf, Inst Tumor Biol, Ctr Med Expt, Hamburg, Germany
[6] Univ Heidelberg Hosp, Dept Obstet & Gynecol, Heidelberg, Germany
[7] Heidelberg Univ, Dept Gynecol & Obstet, Natl Ctr Tumor Dis, Heidelberg, Germany
[8] Univ Tubingen, Dept Gynecol & Obstet, Tubingen, Germany
[9] Univ Tubingen Hosp, Dept Gynecol & Obstet, Tubingen, Germany
[10] Univ Heidelberg Hosp, Heidelberg, Germany
[11] Univ Med Ctr Hamburg, Hamburg, Germany
[12] Klinikum Ludwig Maximilians Univ, Dept Gynecol & Obstet, Munich, Germany
[13] Univ Saarland, Homburg, Germany
[14] Univ Klinikum Dusseldorf, Dept Gynecol & Obstet, Dusseldorf, Germany
[15] Univ Tubingen, Dept Obstet & Gynecol, Tubingen, Germany