1. Laboratory of Cardiovascular Research and
2. Microarray Center, Centre de Recherche Public, Santé, Luxembourg
3. Laboratory of Biochemistry, Centre Hospitalier, Luxembourg
4. Centre for Heart Failure Research, Cardiovascular Research Institute Maastricht, the Netherlands
5. Centre of Studies for Public Health, Centre de Recherche Public, Santé, Luxembourg
6. Division of Cardiology, Centre Hospitalier, Luxembourg