[1] Katholieke Univ Leuven, Dept Mol Cardiovasc Res, Study Coordinating Ctr, Lab Hypertens Hypertens Cardiovasc Rehabil Unit, B-3000 Louvain, Belgium
[2] Free Univ Berlin, Klinikum Benjamin Franklin, D-12200 Berlin, Germany
[3] Univ Milan, Osped San Raffaele, Dipartimento Sci & Tecnol Biomed, Div Nefrol Dialisi & Ipertensione, I-20127 Milan, Italy
[4] Erasmus Univ, Rotterdam, Netherlands