1. 1 Heart and Vessels Department, San Carlo Hospital, Potenza, Italy
2. 2 Division of Cardiology, Moscati Hospital, Aversa, Italy
3. 5 Division of Cardiology, Department of Internal Medicine, University of Rome ‘Tor Vergata,’, Rome, Italy
4. 3 Interventional Cardiology Unit, San Raffaele Hospital-Emo GVM Centro Cuore Columbus, Milan, Italy
5. 4 New Tokyo Hospital, Tokyo, Japan