[1] Univ Ulm, Ulm, Germany
[2] Univ Hosp Ulm, Dept Gynecol & Obstet, Ulm, Germany
[3] Univ Hosp Erlangen, Erlangen, Germany
[4] Dept Biometry Epidemiol, Erlangen, Germany
[5] Bethanien Hosp, Haematooncol Practice, Frankfurt, Germany
[6] Gemeinschaftspraxis Lorenz Hecker Wesche, Braunschweig, Germany
[7] Univ Ulm, Dept Gynecol & Obstet, Ulm, Germany
[8] Univ Duesseldorf, Dusseldorf, Germany
[9] Hamburg Eppendorf Univ Med Ctr, Dept Gynecol, Hamburg, Germany
[10] Heidelberg Univ, Natl Ctr Tumor Dis, Heidelberg, Germany
[11] Charite Med Univ Berlin, Dept Gynecol, Berlin, Germany
[12] Friedrich Alexander Univ Erlangen Nuremberg, Univ Hosp Nuremberg Erlangen, Erlangen, Germany
[13] Univ Med Ctr Hamburg Eppendorf, UKE Inst Tumor Biol, Hamburg, Germany
[14] Univ Klinikum Ulm, Dept Gynecol & Obstet, Ulm, Germany