1. CHUM Research Center and Cardiovascular Center; Montréal Canada
2. Department of Clinical and Experimental Medicine, Section of Cardiology; University Hospital of Messina; Messina Italy
3. Department of Cardiothoracic and Respiratory Sciences; University of Campania “Luigi Vanvitelli”; Naples Italy
4. Department of Cardiology; Gaia Hospital Centre; Vila Nova de Gaia Portugal
5. St. George's University of London; London United Kingdom
6. Centre for Cardiovascular Science and Royal Infirmary; Edinburgh United Kingdom