1. ANMCO Research Center; Florence Italy
2. Department of Cardiology; Linkoping University Hospital; Linkoping Sweden
3. Athens University Hospital Attikon; Athens Greece
4. Cardiology 1; Institut de Boli Cardiovasculare C.C.Iliescu; Bucuresti Romania
5. Unidad de Insuficiencia Cardiaca Avanzada y Trasplante Cardiaco; Hospital Universitario A Coruña; La Coruña Spain
6. Department of Cardiology; Medical University of Lodz; Lodz Poland
7. Department of Cardiology; Medical University; Graz Austria
8. Department of Cardiology; Rikshospitalet University Hospital; Oslo Norway
9. Department of Cardiology, INSERM UMR 942; Lariboisière Hospital; 2 rue Ambroise Paré Paris France
10. Cattedra di Cardiologia, Dipartimento di medicina sperimentale ed applicata, Spedali Civili; Università di Brescia; Brescia Italy
11. Second Department of Cardiology; Attikon University Hospital, University of Athens; Athens Greece
12. Department of Cardiology; Danderyd University Hospital; Stockholm Sweden
13. Department of Cardiology; Military Hospital; Wroclaw Poland
14. Department of Cardiology, Center for Internal Medicine I; University Hospital Rostock; Rostock Germany
15. Thoraxcenter, Cardiology Department; University Medical Center Groningen; Groningen The Netherlands
16. Department of Cardiology; Bispebjerg University Hospital; Copenhagen Denmark
17. Inserm, Centre d'Investigation Cliniques CIC 9501 and U961, CHU and Department of Cardiology; Nancy University; Nancy France
18. Maria Cecilia Hospital, GVM Care and Research; Ettore Sansavini Health Science Foundation; Cotignola Italy