1. Department of Cardio-Thoracic and Vascular Medicine and Surgery, Division of Cardiology, A.O. San Camillo-Forlanini, 00152 Rome, Italy
2. Faculty of Medicine and Dentistry, UniCamillus-Saint Camillus International University of Health Sciences, 00131 Rome, Italy
3. National Centre for Global Health, Italian National Institute of Health, 00161 Rome, Italy
4. Italian National Agency for Regional Healthcare Services, 00187 Rome, Italy
5. Division of Cardiology, San Giovanni Addolorata Hospital, 00100 Rome, Italy
6. National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, 00161 Rome, Italy