1. Division of Cardiology, San Gennaro Hospital, Naples, Italy
2. Department of Heart and Great Vessels, A Reale, La Sapienza University, Rome, Italy
3. Department of Geriatrics and Metabolic Disease, Second University, Naples, Italy
4. Division of Cardiology, S M di Loreto Hospital, Naples, Italy
5. Clinical Medicine and Cardiovascular Science Department, Federico II University, Naples, Italy
6. Cardiology Department, Monaldi Hospital, Second University, Naples, Italy