[1] Charite, Berlin, Germany
[2] German Breast Grp, Neu Isenburg, Germany
[3] Helios Klinikum Berlin Buch, Berlin, Germany
[4] Univ Ulm Klinikum, Ulm, Germany
[5] Kliniken Essen Mitte, Essen, Germany
[6] Zentrum Pathol Zytol & Molekularpathol Neuss, Neuss, Germany
[7] Univ Klinikum Heidelberg, Heidelberg, Germany
[8] Univ Klinikum Erlangen, Erlangen, Germany
[9] Sana Klinikum Offenbach, Offenbach, Germany
[10] Rotkreuzklinikum Munchen, Munich, Germany