1. From the Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology, Department of Cardiovascular Sciences (F.-F.W., J.A.S.), University Hospitals Leuven, Belgium
2. Division of Cardiology (S.T.), University Hospitals Leuven, Belgium
3. Centre for Molecular and Vascular Biology, Department of Cardiovascular Sciences, University of Leuven, Belgium (P.V.)
4. Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, The Netherlands (C.V., J.A.S.).