1. Addenbrooke's Treatment Centre; Wellcome Trust-MRC Institute of Metabolic Science; Addenbrooke's Hospital; University of Cambridge Metabolic Research Laboratories; Cambridge UK
2. Addenbrooke's Treatment Centre; National Severe Insulin Resistance Service; Cambridge University Hospitals NHS Foundation Trust; Cambridge UK
3. National Severe Insulin Resistance Service; Cambridge Institute of Public Health; University of Cambridge School of Clinical Medicine; Cambridge UK