[1] Univ Toronto, St Michaels Hosp, Div Cardiol, Terrence Donnelly Heart Ctr, Toronto, ON M5B 1W8, Canada
[2] Univ Toronto, St Michaels Hosp, Canadian Heart Res Ctr, Toronto, ON M5B 1W8, Canada
[3] Hosp Bichat, Paris, France
[4] Univ Michigan, Cardiovasc Ctr, Ann Arbor, MI USA
[5] Univ Edinburgh, Edinburgh, Midlothian, Scotland
[6] Hosp Univ Gregorio Maranon, Madrid, Spain
[7] Hop La Pitie Salpetriere, Paris, France
[8] Grochowski Hosp, Postgrad Med Sch, Warsaw, Poland
[9] Haag Mem Hosp Presbyterian, Newport Beach, CA USA
[10] Univ Massachusetts, Sch Med, Worcester, MA USA
[11] Duke Clin Res Inst, Durham, NC USA
[12] ICyCC Fdn Favaloro, Buenos Aires, DF, Argentina