1. Health Economics Research Group, Brunel University, Uxbridge, UK
2. Centre for Health Economics, University of York, UK
3. Picker Institute Europe, Oxford, UK
4. Weston General Hospital, Weston-super-Mare, UK
5. John Radcliffe Hospital, Oxford, UK
6. Princess Margaret Hospital, Swindon, UK
7. St Michael's Hospital, Bristol, UK
8. Taunton and Somerset Hospital, Taunton, UK
9. St Paul's Hospital, Cheltenham, UK
10. Department of Epidemiology & Public Health, University of Leicester, UK