[1] University of Oxford,Nuffield Department of Primary Care Health Sciences
[2] University of Surrey,Department of Clinical and Experimental Medicine
[3] Royal College of General Practitioners (RCGP) Research and Surveillance Centre (RSC),Royal College of General Practitioners
[4] University of Exeter,The Institute of Clinical and Biological Sciences
[5] University of Surrey,School of Health Sciences
[6] Eli Lilly and Company,Department of Diabetes
[7] King’s College London,Department of Diabetes and Endocrinology, East Surrey Hospital
[8] Surrey and Sussex Healthcare NHS Trust,undefined