Affiliation: | 1. Division of Human Genetics/MRC/UCT Human Genetics Research Unit, Institute of Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.; 2. Department of Molecular Medicine and Haematology, University of Witwatersrand, Johannesburg, South Africa.; 3. Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom.;National Institutes of Health, United States of America |