Institution: | 1. Cardiology Division, Cardinal Guglielmo Massaia Hospital, , Asti, Italy;2. Division of Cardiology, Department of Medical Sciences, University of Turin, , Italy;3. Department of Rythmology, CMC Parly II Le Chesnay, , Le Chesnay, France;4. Division of Radiology, Cardinal Massaia Hospital, , Asti, Italy |