George Kassimis1, Fabien Picard2,3. 1. Second Department of Cardiology, Hippokration Hospital, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece. 2. Department of Cardiology, Hôpital Cochin, AP-HP, Paris, France, fabien.picard@aphp.fr. 3. Faculté de Médecine, Université Paris Descartes, Paris, France, fabien.picard@aphp.fr.