1 The Nightingale Breast Cancer Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, M23 9LT, UK. rajiv.dave@nhs.net.
2 Department of Breast Surgery, St. James's University Hospital, Leeds, LS9 7TF, UK.
3 Department of Surgery and Cancer, Imperial College, London, UK.
4 Department of Breast Surgery, The Royal Marsden NHS Foundation Trust, Downs Road, Sutton, Surrey, SM2 5PT, UK.
5 Leicester Cancer Research Centre, Clinical Sciences Building, University of Leicester, Leicester, LE2 2LX, UK.
6 Division of Population Health, Health Services Research, and Primary Care, School of Health Sciences, University of Manchester, Manchester, M13 9PL, UK.
7 Trustee, Independent Cancer Patients Voice, Manchester, UK.
8 Breast unit, Level 1 Chancellor wing, St James's Hospital, Leeds, LS9 7TF, UK.
10 Patrick G Johnston Centre for Cancer Research, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7AE, UK.
11 The Royal Wolverhampton NHS Trust, Wolverhampton Road, Wolverhampton, WV10 0QP, UK.
12 Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School, Canynge Hall, Whatley Road, Bristol, BS8 2PS, UK.
13 Bristol Breast Care Centre, North Bristol NHS Trust, Southmead Road, Bristol, BS10 5NB, UK.
14 Linda McCartney Centre, Royal Liverpool and Broadgreen University Hospital, Prescot Street, Liverpool, L7 8XP, UK.
15 Cancer Sciences Academic Unit, University of Southampton and University Hospital Southampton, Tremona Road, Southampton, SO16 6YD, UK.
16 Department of Oncology, University of Cambridge, Cambridge, UK.
17 The Nightingale Breast Cancer Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, M23 9LT, UK.
18 Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oglesby Cancer Research Building, Manchester Cancer Research Centre, Wilmslow Road, Manchester, M20 4BX, UK.
19 The Nightingale Breast Cancer Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, M23 9LT, UK. cliona.kirwan@manchester.ac.uk.
20 Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Oglesby Cancer Research Building, Manchester Cancer Research Centre, Wilmslow Road, Manchester, M20 4BX, UK. cliona.kirwan@manchester.ac.uk.