[1] Sandro Pertini Hosp, Intervent Cardiol Unit, Via Monti Tiburtini 385, I-00157 Rome, Italy
[2] Sandro Pertini Hosp, Emergency Dept, Via Monti Tiburtini 385, I-00157 Rome, Italy
[3] Univ Hosp North Staffordshire, Dept Cardiol, Stoke On Trent, Staffs, England
[4] St Andrea Hosp, Intervent Cardiol, Rome, Italy
[5] Footscray Hosp, Western Hlth, Cardiol Dept, Footscray, Vic, Australia
[6] Med Univ Silesia, Silesian Ctr Heart Dis, Zabrze, Poland
[7] Univ Toledo, Med Ctr, 2801 W Bancroft St, Toledo, OH 43606 USA
[8] Massy, Ramsay Gen Sante, Paris, France
[9] Clin Res Inst, Durham, NC USA