1. Department of Cardiology Leiden University Medical Centre Leiden The Netherlands
2. Cardiovascular Center Aalst, Department of Cardiology Onze Lieve Vrouw Hospital Moorselbaan 164 Aalst 9300 Belgium
3. Department of Cardiology Fondazione Cardiocentro Ticino Lugano Switzerland
4. Deloitte HEOR (Health Economics and Outcomes Research) Zaventem Belgium