1. Assistance Publique—Hôpitaux de Marseille, Centre Hospitalier Universitaire La Timone, Service de Cardiologie, France and Aix Marseille Université, C2VN, Cardiologie—Hôpital La Timone , Boulevard Jean Moulin, 13005 Marseille , France
2. Department of Cardiology, Karolinska University Hospital , Stockholm , Sweden
3. Department of Medicine, Karolinska Institute , 171 64 Stockholm , Sweden
4. Department of Clinical Sciences, Lund University , 214 28 Malmö , Sweden
5. Department of Cardiology, IRCCS Istituto Auxologico Italiano, Faint and Fall Research Centre, S. Luca Hospital , Piazzale Brescia 20, 20149 Milano , Italy