1. Heart Centre, Jessa Hospital, Stadsomvaart 11, 3500 Hasselt, Belgium
2. Hasselt University, Faculty of Medicine and Life Sciences, Hasselt, Belgium
3. Cardiovascular Imaging and Dynamics, Dept. of Cardiovascular Sciences, Catholic University of Leuven, Belgium
4. Dept. of Cardiology, Maastricht University Medical Centre, Maastricht, The Netherlands
5. Dept. of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.