1. Department of Cardiac, Thoracic, and Vascular Sciences, University of Padua; Padua Italy
2. ANMCO Research Center; Florence Italy
3. Cardiology Department; Giuseppe Fogliani Hospital; Milazzo Italy
4. Cardiology Department; Azienda Ospedali Riuniti Villa Sofia-Cervello; Palermo Italy
5. Cardiology Department; San Francesco Hospital; Nuoro Italy
6. Division of Cardiology; McGill University Health Centre; Montreal Quebec Canada
7. Department of Medicine; McGill University; Montreal Quebec Canada
8. Chair of Cardiology; University of Campania “Luigi Vanvitelli”, Ospedale Monaldi; Naples Italy
9. Queen Elizabeth Hospital, Queen Elizabeth Medical Centre; University Hospitals Birmingham, NHS Foundation Trust; Birmingham UK