[1] Sapienza Univ Rome, St Andrea Hosp, Clin & Mol Med Dept, Cardiol Unit, Rome, Italy
[2] IRCCS Neuromed, Pozzilli, Is, Italy
[3] Univ Milano Bicocca, Dept Med & Surg, Clin Med, IRCCS Multimed, Milan, Italy
[4] Univ Bologna, Dept Med & Surg Sci, Chair Internal Med, Fac Med, Bologna, Italy
[5] Univ Brescia, Dept Clin & Expt Sci, Clin Med, Brescia, Italy
[6] Univ Glasgow, Inst Cardiovasc & Med Sci, British Heart Fdn, Glasgow Cardiovasc Res Ctr, Glasgow, Lanark, Scotland