1 Department of Oncology and Metabolism, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK.
2 Brighton and Sussex Medical School, Falmer, Brighton, UK.
3 Clinical Trials Research Unit, School for Health and Related Research, University of Sheffield, UK.
4 University of Nottingham, Royal Derby Hospital, Uttoxeter Road, Derby, DE22 3DT, UK.
5 University of Gothenberg, Sahlgrenska Universitetssjukhuset, 41345, Göteborg, Sweden.
6 Yorkshire and Humber Consumer Research Panel, UK.
7 Dept of Breast Surgery, Bexley Cancer Centre, St James's University Hospital, Leeds, LS9 7TF, UK.
8 Liverpool University Hospitals Foundation Trust, Prescott Street, Liverpool, L7 8 XP, UK.
9 University Hospitals of Morecambe Bay, Royal Lancashire Infirmary Ashton Road, Lancaster, Lancashire, LA1 4RP, UK.
10 Department of Surgery, Baylor College of Medicine, One Baylor Plaza, Houston, TX, USA.
11 Department of Oncology and Metabolism, University of Sheffield Medical School, Beech Hill Road, Sheffield, S10 2RX, UK. Electronic address: [email protected].