1. Department of Metabolic Medicine, Faculty of Medicine, Imperial College London, Hammersmith Campus, Ducane Road, London W12 0NN, UK
2. Division of Lipidology, Department of Medicine, UCT Faculty Health Sciences, University of Cape Town, Anzio Road, 7925 Observatory, Cape Town, South Africa
3. Division of Chemical Pathology, Department of Pathology, UCT Faculty Health Sciences, University of Cape Town, Anzio Road, 7925 Observatory, Cape Town, South Africa
4. Department of Cardiology, Imperial College Healthcare NHS Trust, Charing Cross Hospital, Fulham Palace Road, London W6 8RF, UK
5. Carbohydrate and Lipid Metabolism Research Unit, Department of Medicine, University of the Witwatersrand, 7 York Rd, Parktown 2193, Johannesburg, South Africa