1. Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre , Universiteitssingel 50, 6229 ER Maastricht , The Netherlands
2. Department of Biostatistics and Bioinformatics, FARAH, Faculty of Veterinary Medicine, University of Liege , Liege , Belgium
3. Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen , Blegdamsvej 3B, 2200 Copenhagen , Denmark