1 Diabetes Trials Unit, Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford OX3 7LJ, UK; Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University Hospitals NHS Foundation Trust, Oxford, UK. Electronic address: rajna.golubic@dtu.ox.ac.uk.
2 Warwick Medical School, University of Warwick, Warwick, UK.
3 Oxford Centre for Diabetes, Endocrinology and Metabolism, Oxford University Hospitals NHS Foundation Trust, Oxford, UK; Warwick Medical School, University of Warwick, Warwick, UK.