1. Institute of Pathology, Charité Universitätsmedizin Berlin, Berlin, Germany
2. German Cancer Consortium, (DKTK), Berlin, Germany
3. Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
4. Department of Pathology, Center for Integrated Diagnostics (CID), Massachusetts General Hospital, Boston, MA, USA
5. Hämatoonkologische Schwerpunktpraxis, Munich, Germany
6. Department of Gynecology and Obstetrics, University Hospital Schleswig-Hostein, Kiel, Germany
7. Praxisklinik Krebsheilkunde für Frauen/Brustzentrum, Berlin, Germany
8. Department of Gynecology and Obstetrics, Charité Universitätsmedizin Berlin, Berlin, Germany
9. Institute of Pathology, Technical University Munich, Munich, Germany
10. Center for Hematology and Oncology Bethanien, Frankfurt/Main, Germany
11. Breast Unit, Kliniken Essen Mitte, Essen, Germany
12. Department of Gynecology and Obstetrics, Sana Klinikum Offenbach, Offenbach, Germany
13. Department of Gynecology, Klinikum Südstadt Rostock, Rostock, Germany
14. Peter MacCallum Cancer Centre, East Melbourne, Victoria, Australia
15. Department of Gynecology and Obstetrics, Helios Klinikum Berlin-Buch, Berlin, Germany
16. German Breast Group c/o (GBG Forschungs GmbH), Neu-Isenburg, Germany