1. Research Fellow, Centre for Reviews and Dissemination, University of York, UK
2. Research Fellow, School of Health and Related Research (ScHARR), University of Sheffield, UK
3. Information Specialist, Centre for Reviews and Dissemination, University of York, UK
4. Professor, Centre for Health Economics, University of York, UK
5. Professor of Social Policy Research, Social Policy Research Unit, University of York, UK
6. Senior Research Fellow, Centre for Reviews and Dissemination, University of York, UK