1. Pharmacogenomics and Drug Metabolism Research Group Division of Human Genetics Department of Pathology & Institute of Infectious Disease and Molecular Medicine (IDM) Faculty of Health Sciences University of Cape Town Cape Town South Africa
2. Department of Clinical Pharmacology College of Health Science University of Zimbabwe Harare Zimbabwe
3. Department of Biological Sciences Faculty of Science and Engineering Bindura University of Science and Education Bindura Zimbabwe
4. Department of Cardiology Sefako Makgatho Health Sciences University and Dr. George Mukhari Hospital Pretoria South Africa
5. Non‐Communicable Diseases Research UnitSouth African Medical Research Council and University of Cape Town Cape Town South Africa
6. Division of Cardiology Department of Medicine Faculty of Health Sciences University of Cape Town Cape Town South Africa