1. Warwick Clinical Trials Unit Warwick Medical School University of Warwick Coventry UK
2. School of Health Sciences University of Surrey Guildford UK
3. NCT London UK
4. Kings Health Economics, Health Services and Population Research Department Institute of Psychiatry, Psychology and Neuroscience King's College London London UK
5. Department of Women and Children's Health King's College London London UK
6. Faculty of Science University of Nottingham Nottingham UK
7. Guy's and St Thomas' NHS Foundation Trust London UK
8. Public Health London Borough of Lambeth Lambeth London UK
9. Population Health Research Institute St George's University of London London UK