1. Dipartimento Cardiovascolare; Azienda Ospedaliera Papa Giovanni XXIII; Bergamo Italy
2. Brigham and Women's Hospital Heart and Vascular Center and Harvard Medical School; Boston MA USA
3. FROM Fondazione per la Ricerca, Azienda Ospedaliera Papa Giovanni XXIII; Bergamo Italy
4. Cardiology Division; Stony Brook University; Stony Brook NY USA