1. Laboratory of Physiopharmacology; University of Antwerp; Universiteitsplein 1 2610 Antwerp Belgium
2. Department of Cardiology; Middelheim Hospital; Antwerp Belgium
3. Department of Cardiology; University Hospital Antwerp; Edegem Belgium
4. CHU Nancy, Pôle de Cardiologie, Institut Lorrain du Cœur et des Vaisseaux; Vandoeuvre-lès-Nancy France