1. Department of Pathology, Brussels, Belgium
2. Breast Clinic, Brussels, Belgium
3. Department of Medical Oncology, King Albert II Cancer Institute, Cliniques universitaires Saint-Luc, Brussels, Belgium
4. Laboratory of Experimental Cancer Research, Department of Radiation Oncology and Experimental Cancer Research, Ghent University, Ghent, Belgium
5. Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium