[1] Univ Cattolica Sacro Cuore, Dept Cardiovasc & Thorac Sci, Rome, Italy
[2] Maria Cecilia Hosp, Gvm Care & Res, Cotignola, Italy
[3] Sapienza Univ Rome, Dept Med Surg Sci & Biotechnol, Rome, Italy
[4] Mediterranea Cardioctr, Naples, Italy
[5] Univ Virginia, Sch Med, Div Cardiovasc Med, Robert M Berne Cardiovasc Res Ctr, Charlottesville, VA 22908 USA
[6] Fdn Policlin Univ A Gemelli Irccs, Dept Cardiovasc Med, Rome, Italy