1. Leuven Institute for Healthcare Policy, University of Leuven, Belgium
2. Department of Cardiology, University Hospitals Leuven, Belgium
3. Department of Cardiology, Antwerp University Hospital, Belgium
4. Department of Cardiology, University Hospital Ghent, Belgium
5. Department of Cardiology, University Hospitals Brussels, Belgium
6. Department of Clinical and Experimental Medicine, Amedeo Avogadro University of Eastern Piedmont, Italy
7. Department of Quality Management, University Hospitals Leuven, Belgium