1. Department of Applied Health Research, University College London, London, UK
2. University College London Elizabeth Garrett Anderson Institute for Women’s Health, University College London, London, UK
3. Department of Plastic and Reconstructive Surgery, Royal Free Hospital, London, UK
4. Royal College of Pathologists, London, UK
5. North Trent Cancer Research Network, Consumer Research Panel, South Yorkshire Comprehensive Local Research Network, Sheffield, UK
6. London, UK
7. National Heart and Lung Institute, Imperial College London, London, UK
8. Department of Management, School of Social Science and Public Policy, King’s College, London, UK
9. Division of Psychiatry, University College London, London, UK
10. School of Social and Community Medicine, Bristol University, Bristol, UK
11. UCL Centre for Behaviour Change, University College London, London, UK
12. Department of Statistical Science, University College London, London, UK