1 Specialist Registrar in Endocrinology and Diabetes, Department of Medicine, The Diabetes Centre, Watford General Hospital, Watford WD18 0HB and Honorary Clinical Research Fellow, Faculty of Medicine, Imperial College London, London.
2 Academic Foundation Year 2 Doctor, Department of Primary Care and Public Health, Imperial College London, London.
3 Specialist Registrar in Endocrinology and Diabetes and Clinical Research Fellow, Faculty of Medicine, Imperial College London, London.
4 Specialist Registrar in Intensive Care Medicine, Department of Surgery and Cancer, Imperial College Healthcare NHS Trust, London.
5 Professor of Endocrinology, Faculty of Medicine, Imperial College London, London.
6 Reader in Neuroendocrinology, School of Medicine, Cardiff University, Cardiff.