[1] Univ Pisa, Cardiac Thorac & Vasc Dept, Pisa, Italy
[2] Univ Hosp St John God, Salerno, Italy
[3] Univ Bari, Cardiol Dept, Bari, Italy
[4] Univ Foggia, Cardiol Dept, Foggia, Italy
[5] Riabilitat Hosp ORAS, Motta Di Livenza, Italy
[6] Bianchi Melacrino Morelli Hosp BMM, Div Cardiol, Reggio Di Calabria, Italy