1. Studies Coordinating Centre, Division of Hypertension and Cardiovascular Rehabilitation Unit, Department of Molecular and Cardiovascular Research, University of Leuven, Leuven, Belgium
2. Department of Physiology, School for Physiology, Nutrition and Consumer Sciences, North-West University, Potchefstroom, South Africa
3. Section of Experimental Medicine and Endocrinology, Department of Experimental Medicine, University of Leuven, Leuven, Belgium
4. Section of Social and Economic Geography, Department of Geography and Geology, University of Leuven, Leuven, Belgium
5. Industrial Toxicology and Occupational Medicine Unit, Department of Public Health, Université catholique de Louvain, Brussels, Belgium