1. Heart Department; Cardiology Division; “Cava de' Tirreni and Amalfi Coast” Hospital; University of Salerno; Salerno Italy
2. Institute of Clinical Physiology - C.N.R.; Pisa Italy
3. Department of Clinical Sciences Lund; Clinical Physiology and Skane University Hospital; Lund University; Lund Sweden
4. Department of Cardiology; Second University of Naples; Napoli Italy
5. Department of Cardiology; Bieganski Hospital; Medical University of Lodz; Lodz Poland
6. Cardiology Service; Institute Lorrain du Cœur et des Vaisseaux; Centre Hospitalier Universitaire de Nancy; Vandœuvre-lès-Nancy France
7. Cardiology and Emergency Department; Hospital of San Daniele del Friuli; Udine Italy
8. IRCCS S.D.N.; Naples Italy
9. Department of Respiratory Diseases; Monaldi Hospital; University “Federico II,”; Naples Italy
10. Department of Translational Medical Sciences; University Federico II of Naples; Naples Italy