1. Royal London Hospital London UK
2. St Helier Hospital London UK
3. University Hospitals Birmingham NHS Trust Birmingham UK
4. Diabetes & Endocrinology Royal Free NHS foundation Trust UCL London UK
5. City Hospital Birmingham UK
6. Belfast Health and Social Care Trust Belfast UK
7. Imperial College Healthcare NHS Trust London UK
8. Guy's and St Thomas NHS Foundation Trust and King's College London London UK
9. University of Glasgow Glasgow UK
10. King's College London London UK
11. West Hertfordshire Hospitals NHS Trust Watford UK
12. ENHIDE Lister Hospital Stevenage UK
13. University of Swansea Swansea UK
14. Heartlands Hospital Birmingham UK
15. Warwick Medical School Warwick UK
16. Renal and Transplant Unit St George's University Hospitals NHS Foundation Trust and MCSRI, St George's University of London London UK
17. ENHIDE QE2 Hospital Welwyn Garden City UK
18. University Hospitals Birmingham Birmingham UK