1. NMAHP Research Unit; University of Stirling; Stirling UK
2. Centre for Health-Related Research, Fron Heulog; Bangor University; Bangor UK
3. Faculty of Social Sciences; University of Stirling; Stirling UK
4. Institute of Social Marketing; University of Stirling; Stirling UK
5. Department of Psychology; University of Bath; Bath UK
6. Bath Centre for Pain Research; University of Bath; Bath UK
7. Department of Psychology, Faculty of Natural Sciences; University of Stirling; Stirling UK
8. People Services Team; The Cochrane Collaboration; London UK