[1] San Camillo Forlanini Hosp, Heart Failure Clin, Cardiol CCU 1, Rome, Italy
[2] S Giovanni Calibita Fatebenefratelli Hosp, Intervent Cardiol CCU, Rome, Italy
[3] Cardiovasc Ctr ASS 1 Trieste, Trieste, Italy
[4] Hosp Santa Maria Della Misericordia, Heart Failure Unit, Perugia, Italy
[5] Osped Papa Giovanni XXIII, Cardiol Unit, Bergamo, Italy
[6] San Martino Hosp, Heart Failure Clin, Belluno, Italy
[7] Villa Bianca Hosp, Div Cardiol, Trento, Italy