1. Maria Cecilia Hospital, GVM Care & Research , Cotignola (RA) , Italy
2. Department of Medical Sciences, University of Turin , Turin , Italy
3. Division of Cardiology, Cardinal G. Massaia Hospital , Asti , Italy
4. Division of Cardiology, Cardiovascular and Thoracic Department, ‘Città della Salute e della Scienza’ Hospital , Turin , Italy