1. Cardiovascular Rehabilitation Unit, Department of Rehabilitation Sciences, Katholieke Universiteit Leuven, Leuven, Belgium.
2. Department of Human Genetics, Centre for Human Genetics of the University Hospitals Leuven, Katholieke Universiteit Leuven, Leuven, Belgium.
3. Hypertension and Cardiovascular Rehabilitation Unit, Department of Cardiovascular Diseases, Katholieke Universiteit Leuven, Leuven, Belgium.