[1] Univ Saarlandes Kliniken, Innere Med Klin 3, Homburg, Germany
[2] Suny Downstate Med Ctr, New York, NY USA
[3] Univ Glasgow, Robertson Ctr Biostat, Glasgow, Lanark, Scotland
[4] Gen Hosp Celje, Dept Cardiol, Celje, Slovenia
[5] Univ Paris 06, La Pitie Salpetriere Hosp, Dept Cardiol, Paris, France
[6] Ettore Sansavini Hlth Sci Fdn, Maria Cecilia Hosp GVM Care & Res, Cotignola, Italy
[7] Univ Gothenbur, Sahlgrenska Acad, Dept Emergency & Cardiovasc Med, Gothenburg, Sweden