Affiliation: | 1. Department of Diabetes, City Hospital, , Birmingham, UK;2. Peninsula National Institute for Health Research Clinical Research Facility, Peninsula Medical School, University of Exeter, , Exeter, UK;3. Department of Clinical Biochemistry, Royal Devon and Exeter National Health Service Foundation Trust, , Exeter, UK;4. University Department of Medicine, City Hospital, , Birmingham, UK;5. Diabetes Centre, Royal Blackburn Hospital, , Blackburn, UK;6. Victoria Hospital, , Kirkcaldy, UK;7. Ulster Hospital, , Dundonald, UK;8. Lagan Valley Hospital, , Lisburn, UK;9. St John's Hospital, , Livingston, UK;10. Diabetes Unit, New Cross Hospital, , Wolverhampton, UK;11. North Manchester General Hospital, , Manchester, UK;12. Royal Victoria Hospital, , Belfast, UK |