1. Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
2. Centre for Musculoskeletal Health Research, School of Medicine, Keele University, Keele, UK
3. School of Pharmacy and Bioengineering, Keele University, Keele, UK
4. Centre for Public Health, Queen’s University Belfast, Belfast, UK
5. Centre for Academic Primary Care, Bristol Medical School, Bristol University, Bristol, UK
6. Keele Cardiovascular Research Group, Centre for Prognosis Research, Keele University, Keele, UK