1. Department of Surgical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
2. European Organisation for Research and Treatment of Cancer (EORTC) Headquarters, Brussels, Belgium
3. Division of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, the Netherlands
4. Agendia NV, Amsterdam, the Netherlands
5. Breast Unit, Champalimaud Clinical Center/Champalimaud Foundation, Lisbon, Portugal
6. Institut Jules Bordet, Université Libre de Bruxelles, Brussels, Belgium
7. Department of Surgery, UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, CA
8. Department of Laboratory Medicine, UCSF Helen Diller Family Comprehensive Cancer Center, San Francisco, CA