1. Department of Medicine—Breast Unit, The Royal Marsden NHS Foundation Trust, Breast Cancer Research Division, The Institute of Cancer Research, Surrey, United Kingdom
2. Department of Medical Oncology, Universitair Ziekenhuis (UZ) Brussel, Vrije Universiteit Brussel (VUB), Brussels, Belgium
3. Institute for Cancer Outcomes and Survivorship, University of Alabama at Birmingham School of Medicine, Birmingham, AL
4. Division of Medical Oncology, National Cancer Centre Singapore, Singapore
5. Department of General Medical Oncology and Multidisciplinary Breast Centre, University Hospitals Leuven, Leuven Cancer Institute, Laboratory of Experimental Oncology, Leuven, Belgium
6. Department of Oncology, KU Leuven, Leuven, Belgium