[1] Univ Hosp Eppendorf Frauenklinik, Hamburg, Germany
[2] German Breast Grp, Neu Isenburg, Germany
[3] Univ Med Ctr Hamburg Eppendorf, Hamburg, Germany
[4] Klinikum Deggendorf, Deggendorf, Germany
[5] Clin Memmingen, Memmingen, Germany
[6] Clin St Elisabeth Straubing GmbH, Straubing, Germany
[7] Rems Murr Klinikum Winnenden, Winnenden, Germany
[8] Ortenau Klinikum Offenburg, Offenburg, Germany
[9] Diakonieclin Rotenburg Wumme gGmbH, Rotenburg, Germany
[10] Univ Womens Clin Magdeburg, Magdeburg, Germany
[11] Clin Esslingen, Esslingen, Germany
[12] Hannover Med Sch, Hannover, Germany
[13] Johannes Gutenberg Univ Mainz, Dept Obstet & Gynecol, Mainz, Germany
[14] Radiolog Allianz, Hamburg, Germany
[15] Univ Duesseldorf, Dusseldorf, Germany
[16] Klinikum Frankfurt Hoechst, Frankfurt, Germany