1. Division of Cardiology, Department of Internal Medicine Città della Salute e della Scienza Torino Italy
2. U.O.C. Cardiologia, Ospedale San Giovanni Evangelista Rome Italy
3. Department of Cardiology Infermi Hospital Turin Italy
4. Department of Cardiology Hospital Clinico San Carlos Madrid Spain
5. Division of Geriatrics, Department of Internal Medicine Città della Salute e della Scienza Torino Italy