1. Department of Nephrology, Klinikum rechts der Isar, Munich Technical University, Munich, Germany.
2. Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, The Netherlands.
3. Studies Coordinating Centre, Division of Hypertension and Cardiovascular Rehabilitation, Department of Cardiovascular Diseases, University of Leuven, Belgium.
4. Department of Epidemiology, Maastricht University, The Netherlands.