1. Nursing Midwifery and Allied Health Professions Research Unit, Faculty of Health Sciences and Sport, University of Stirling, Stirling, UK
2. Division of Psychology, Faculty of Natural Sciences, University of Stirling, Stirling, UK
3. Faculty of Social Sciences, University of Stirling, Stirling, UK
4. Department of Psychology and Bath Centre for Pain Research, University of Bath, Bath, UK
5. School of Health Sciences, Bangor University, Bangor, Gwynedd, UK
6. Freelance Researcher, Nursing Midwifery and Allied Health Professions Research Unit, Faculty of Health Sciences and Sport, University of Stirling, Stirling, UK
7. Institute of Social Marketing, Faculty of Health Sciences and Sport, University of Stirling, Stirling, UK