1. Breast Cancer Translational Research Laboratory Université Libre de Bruxelles, Institut Jules Bordet Boulevard de Waterloo 121 Brussels Belgium
2. Department of Medical Oncology Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumouri (IRST) – IRCCS Meldola Italy
3. Department of Internal Medicine University of Genoa and IRCCS Azienda Ospedaliera Universitaria San Martino – IST Genoa Italy
4. Cancer Genome Project Wellcome Trust Sanger Institute Wellcome Trust Genome Campus Hinxton Cambridgeshire UK
5. Translational Breast Cancer Genomics Lab Division of Research, Peter MacCallum Cancer Centre East Melbourne Victoria Australia
6. VIB Vesalius Research Center, KU Leuven Campus Gasthuisberg, Herestraat 49, Bus 912 Leuven Belgium
7. Pathology Unit ‘G.B. Morgagni–L. Pierantoni’ Hospital Forlì Italy
8. Breast International Group Headquarters (BIG‐aisbl) Brussels Belgium
9. Pathology Department, Jules Bordet Institute Boulevard de Waterloo 121 Brussels Belgium
10. Department of Medical Oncology Jules Bordet Institute Boulevard de Waterloo 121 Brussels Belgium
11. Department of Haematology University of Cambridge Cambridge UK
12. Department of Haematology Addenbrooke's Hospital Cambridge UK