[1] Heidelberg Univ, Univ Hosp Mannheim, Med Fac Mannheim, Mannheim, Germany
[2] Red Cross Hosp Munchen, Breast Ctr, Dept Gynecol, Munich, Germany
[3] German Breast Grp GBG, Med & Res Dept, Neu Isenburg, Germany
[4] Beaumont Hosp, Oncol, Dublin, Ireland
[5] Tech Univ Dresden, Dept Gynecol & Obstet, Dresden, Germany
[6] Philipps Univ Marburg, Inst Pathol, Marburg, Germany
[7] Marburg Univ Hosp UKGM, Marburg, Germany
[8] Univ Hosp Erlangen, Comprehens Canc Ctr Erlangen EMN, Dept Gynecol & Obstet, Erlangen, Germany
[9] Sana Klinikum Offenbach, Dept Gynecol & Obstet, Offenbach, Germany
[10] Complejo Hosp Univ A Coruna, Hosp Teresa Herrera CHUAC, Med Oncol, La Coruna, Spain
[11] Univ Klinikum Frankfurt, Klin Frauenheilkunde & Geburtshilfe, Frankfurt, Germany
[12] Univ Libre Bruxelles, Inst Jules Bordet, Clin Trials Conduct Unit, Med Oncol, Brussels, Belgium
[13] Kantonsspital St Gallen, Brustzentrum, Dept Interdisziplinare Med Dienste, St Gallen, Switzerland
[14] Helios Klinikum Berlin Buch, Dept Gynecol & Obstet, Berlin, Germany
[15] Med Univ Graz, Clin Dept Oncol, Graz, Austria
[16] Kliniken Essen Mitte, Interdisciplinary Breast Unit, Essen, Germany
[17] Charite Univ Med Berlin, Gynakol Brustzentrum, Berlin, Germany
[18] Inst Paoli Calmettes, Med Oncol, Marseille, France