1 Breast Cancer Translational Research Laboratory J-C Heuson, Institut Jules Bordet, Brussels, Belgium; Université Libre de Bruxelles (ULB), Brussels, Belgium.
2 Department of Oncology, Gynecologic Oncology and Multidisciplinary Breast Center, University Hospitals Leuven/KU Leuven, Leuven, Belgium.
3 Université Libre de Bruxelles (ULB), Brussels, Belgium; Department of Medical Oncology, Hôpital Universitaire de Bruxelles (HUB), Institut Jules Bordet, Brussels, Belgium. Electronic address: michail.ignatiadis@hubruxelles.be.