1. Leeds Institute of Health Sciences; University of Leeds; Leeds UK
2. Institute of Health Research; University of Exeter Medical School; Exeter UK
3. Primary Care; University of Exeter Medical School; Exeter UK
4. School of Psychology/Cognition Institute; Plymouth University; Plymouth UK
5. Division of Health Sciences, Warwick Medical School; University of Warwick; Coventry UK
6. Population Health Sciences, Bristol Medical School; University of Bristol; Bristol UK
7. Department of Psychology; University of Swansea; Swansea UK
8. Institute of Applied Health Research, College of Medical and Dental Sciences; University of Birmingham; Birmingham UK
9. Wales Heart Research Institute, Cardiff University; Cardiff UK
10. School of Nursing and Midwifery; Queen's University Belfast; Belfast UK
11. MRC/CSO Social and Public Health Sciences Unit & Robertson Centre for Biostatistics, Institute of Health and Well Being; University of Glasgow; Glasgow UK