[1] Univ Klinikum Hamburg Eppendorf, Hamburg, Germany
[2] Frauenarzte Dom, Mainz, Germany
[3] Inst Versorgungsforsch Onkol, Koblenz, Germany
[4] Johannes Gutenberg Univ Mainz, Univ Med, Mainz, Germany
[5] Hannover Med Sch, Hannover, Germany
[6] Univ Klinikum Frankfurt, Frankfurt, Germany
[7] Univ Kiel, Kiel, Germany
[8] Univ Klinikum Ulm, Ulm, Germany
[9] Diakovere Henriettenstift, Breast Ctr, Hannover, Germany
[10] Agaplesion Diakonieklinikum Rotenburg, Rotenburg, Germany
[11] Agaplesion Markus Krankenhaus, Frankfurt, Germany
[12] Univ Klinikum Erlangen, Frauenklin, Erlangen, Germany
[13] UKGM Univ Klinikum Marburg, Inst Pathol, Marburg, Germany
[14] Univ Klinikum Dusseldorf, Dusseldorf, Germany
[15] GBG Forsch GmbH, German Breast Grp, Neu Isenburg, Germany