1. Centro Cardiologico Monzino, IRCCS, Milan, Italy;
2. Università degli Studi di Milano;
3. Department of Clinical, Internal Medicine, Anesthesiology and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy;
4. Department of Medicine and Surgery, University of Parma, Parma, Italy;
5. Cardiology Unit, University Hospital of Parma, Parma, Italy;
6. Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy; and
7. Mediterranea Cardiocentro, Naples, Italy.