1. Centro per la Lotta Contro L'Infarto - CLI Foundation; Rome Italy
2. San Giovanni Addolorata Hospital; Rome Italy
3. Division of Cardiology; University of Catania; Catania Italy
4. Università Cattolica Del Sacro Cuore; Rome Italy
5. Policlinico Sant'Orsola-Malpighi; Bologna Italy
6. Presidio Ospedaliero Sant'Elia; Caltanissetta Italy
7. Policlinico G. Martino; Messina, Sicily, Italy
8. Ospedale Brotzu; Cagliari, Sardinia, Italy
9. Presidio Ospedaliero Umberto I; Siracusa, Sicily, Italy
10. GVM Care and Research, E. S. Health Science Foundation; Cotignola Italy
11. Cardiovascular Research Foundation; New York, New York