1. From the University of Cambridge Metabolic Research Laboratories and National Institute for Health Research Cambridge Biomedical Research Centre, Wellcome–Medical Research Council Institute of Metabolic Science, Addenbrooke’s Hospital, Cambridge (E.M.O., J.M.K., F.T., E.H., R.A., A.P., R.B., N.W., V.A., J.M., I.S.F.), the Exeter Centre of Excellence for Diabetes Research, University of Exeter Medical School, Exeter (I.B.), Birmingham Women’s and Children’s Hospital NHS Foundation Trust, Birmingham (D.J.,...