[1] Univ Paris 06, Dept Cardiol, Hop La Pitie Salpetriere, Paris, France
[2] Univ Saarlandes Kliniken, Innere Med Klin 3, Homburg, Germany
[3] Suny Downstate Med Ctr, Dept Med, Brooklyn, NY 11203 USA
[4] Suny Downstate Med Ctr, Dept Med, New York, NY USA
[5] Univ Glasgow, Robertson Ctr Biostat, Glasgow, Lanark, Scotland
[6] Asklepeion Hosp, Dept Cardiol, Athens, Greece
[7] Ettore Sansavini Hlth Sci Fdn, Maria Cecilia Hosp GVM Care & Res, Cotignola, Italy
[8] Univ Gothenburg, Sahlgrenska Acad, Dept Mol & Clin Med, Gothenburg, Sweden