Division of Chemical Pathology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, South Africa
D J Blom
Division of Lipidology, Department of Medicine, Faculty of Health Sciences, University of Cape Town, South Africa
F J Raal
Carbohydrate and Lipid Metabolism Research Unit, University of the Witwatersrand, Johannesburg, South Africa; Division of Endocrinology and Metabolism, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa