1. Centre for Criminal Justice Economics and Psychology, Wentworth College, University of York, Heslington, York, UK
2. Faculty of Medical and Human Sciences, University of Manchester, Manchester, UK
3. Department of Health Sciences, University of York, York, UK
4. Department of Psychology, Lancaster University, Lancaster, UK
5. York Health Economics Consortium, University of York, York, UK
6. Centre for Health Services Studies, University of Kent, Canterbury, UK