[1] Pellegrini Hosp, Dept Cardiol UTIC, ASL NA1, Naples, Italy
[2] Salvatore Maugeri Fdn, IRCCS, Dept Cardiac Rehabil, Telese Terme, Italy
[3] Univ Naples 2, Sch Med, Dept Gen Pathol, Excellence Ctr CVD, Naples, Italy
[4] Univ Naples Federico II, Dpt Clin Med Cardiovasc & Immunol Sci, Naples, Italy
[5] Univ Naples 2, UOC Immunohematol & Transplantat, Naples, Italy
[6] Univ Calif San Diego, Dept Med, San Diego, CA 92103 USA