1. 1Breast Unit, The Royal Marsden Hospital, Sutton, United Kingdom.
2. 2Division of Breast Cancer Research, Institute of Cancer Research, London, United Kingdom.
3. 3Clinical Trials and Statistics Unit at The Institute of Cancer Research, London, United Kingdom.
4. 4The Breast Cancer Now Toby Robins Research Centre, The Institute of Cancer Research, London, United Kingdom.
5. 5Outreach Research & Innovation Group, Manchester, United Kingdom.
6. 6Clinical Studies – Cancer Biomarkers, The Institute of Cancer Research, London, United Kingdom.
7. 7School of Cancer Sciences, University of Glasgow, Glasgow, United Kingdom.
8. 8Cancer Research UK Cambridge Centre, Cambridge, United Kingdom.
9. 9University College London Hospitals NHS Foundation Trust & NIHR University College London Hospitals Biomedical Research Centre, London, United Kingdom.
10. 10Weston Park Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom.
11. 11Ralph Lauren Centre for Breast Cancer Research, Royal Marsden Hospital, London, United Kingdom.
12. 12Cancer Sciences Academic Unit, University of Southampton, Southampton, United Kingdom.
13. 13Royal Bournemouth Hospital, University Hospitals Dorset NHS Foundation Trust, Bournemouth, United Kingdom.
14. 14Maidstone and Tunbridge Wells NHS Trust, Maidstone, Kent, United Kingdom.
15. 15Independent Cancer Patients’ Voice, London, United Kingdom.
16. 16Experimental Therapeutics Group, Vall d'Hebron Institute of Oncology, Barcelona, Spain.