[1] Klinikum Ludwig Maximilians Univ, Dept Gynecol & Obstet, Munich, Germany
[2] Univ Munich, Munich, Germany
[3] Univ Heidelberg Hosp, Dept Obstet & Gynecol, Heidelberg, Germany
[4] Estimate, Augsburg, Germany
[5] Charite, Dept Gynecol, D-13353 Berlin, Germany
[6] Univ Erlangen Nurnberg, Frauenklin, D-91054 Erlangen, Germany
[7] Univ Med Ctr Hamburg Eppendorf, Ctr Med Expt, Inst Tumor Biol, Hamburg, Germany
[8] Univ Dusseldorf, Dusseldorf, Germany