1. Faculty of Health Sciences Hypertension in Africa Research Team (HART) North‐West University Potchefstroom South Africa
2. MRC Research Unit for Hypertension and Cardiovascular Disease North‐West University Potchefstroom South Africa
3. Department of Clinical Pharmacology and Toxicology University Medical Center Hamburg‐Eppendorf Hamburg Germany
4. Deutsches Zentrum fuer Herz‐Kreislauf‐Forschung E.V. (DZHK) Partner Site Hamburg/Kiel/Lübeck Hamburg Germany