1. Department of Clinical Biochemistry, Cliniques Universitaires St-Luc and Université Catholique de Louvain, Brussels, Belgium
2. Department of Laboratory Medicine, Clinique Saint-Luc, Bouge, Belgium
3. Department of Pharmacy, Namur Research Institute for Life Sciences, University of Namur, Namur, Belgium
4. Department of Cardiology and University Center of Cardiovascular Science, University Heart and Vascular Center Hamburg, Hamburg, Germany
5. Pôle de recherche en Endocrinologie, Diabète et Nutrition, Institut de Recherche Expérimentale et Clinique, Cliniques Universitaires St-Luc and Université Catholique de Louvain, Brussels, Belgium