1. Diabetes Research Centre, College of Medicine, Biological Sciences and Psychology, University of Leicester, Leicester, UK
2. NIHR Applied Research Collaboration, East Midlands, UK
3. MRC Epidemiology Unit, Institute of Metabolic Science, University of Cambridge, Cambridge, UK
4. Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
5. School of Health and Related Research, University of Sheffield, Sheffield, UK
6. Leicester Diabetes Centre, University Hospitals of Leicester NHS Trust, Leicester, UK
7. NIHR Leicester Biomedical Research Centre, Leicester, UK
8. Social Science Applied to Healthcare Improvement Research Group, Department of Health Sciences, University of Leicester, Leicester, UK
9. Biostatistics Research Group, Department of Health Sciences, University of Leicester, Leicester, UK
10. School of Health Sciences, University of East Anglia, Norwich, UK
11. Behavioural Science Group, Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
12. UKCRC Centre for Diet and Activity Research (CEDAR), MRC Epidemiology Unit, University of Cambridge, Cambridge, UK
13. Innovia Technology Limited, Cambridge, UK