1 School of Cardiovascular Medicine & Sciences, King's College London, London, SE1 9NH, UK; Department of Diabetes, Guy's and St Thomas NHS Foundation Trust, Guy's Hospital, London, UK. Electronic address: antonella.corcillo@kcl.ac.uk.
2 Department of Diabetes, King's College NHS Foundation Trust, London, UK; Department of Clinical and Experimental Medicine, University of Surrey, UK.
3 Department of Clinical and Experimental Medicine, University of Surrey, UK.
4 School of Cardiovascular Medicine & Sciences, King's College London, London, SE1 9NH, UK; Department of Diabetes, Guy's and St Thomas NHS Foundation Trust, Guy's Hospital, London, UK.