1. Diabetes Research Centre, University of Leicester, Leicester, UK
2. Department of Health Sciences, University of Leicester, Leicester, UK
3. School of Health & Related Research, University of Sheffield, Sheffield, UK
4. Leicester Diabetes Centre, University Hospitals of Leicester, Leicester, UK
5. Learning Disabilities Service, Leicestershire Partnership NHS Trust, Leicester, UK
6. Institute of Health and Wellbeing, University of Glasgow, Glasgow, UK