1. Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Faculty of Health, Medicine, and Life Sciences, Maastricht University and Maastricht University Medical Center+, PO Box 616, 6200 MD Maastricht, The Netherlands
2. Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
3. Department of Cardiology, Thoraxcentre, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands