1 The Nightingale Breast Cancer Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK.
2 Division of Cancer Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
3 Department of Oncology and Metabolism, University of Sheffield Medical School, Sheffield, UK.
4 Jasmine Centre, Doncaster and Bassetlaw Teaching Hospitals NHS Trust, Doncaster, UK.
5 Breast Unit, Gateshead Health NHS Foundation Trust, Gateshead, UK.
6 Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
7 Department of Medical Statistics, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, UK.
8 University Hospital of Derby and Burton NHS Foundation Trust, Queens Hospital, Burton upon Trent, UK.
9 Breast Unit, University Hospital Crosshouse, NHS Ayrshire and Arran, Crosshouse, Kilmarnock, UK.
10 Breast Unit, Rotherham NHS Foundation Trust, Rotherham, UK.
11 Breast Unit, Royal Liverpool University Hospital, Liverpool, UK.
12 Breast Unit, Aberdeen Royal Infirmary, Aberdeen, UK.
13 National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, UK.
14 Bristol Breast Care Centre, North Bristol NHS Trust, Bristol, UK.