[1] Univ Zurich, Ctr Mol Cardiol, Zurich, Switzerland
[2] Newcastle Upon Tyne Hosp, Translat & Clin Res Inst, Newcastle Upon Tyne, England
[3] Inselspital Bern, Dept Cardiol, Bern, Switzerland
[4] Geneva Univ Hosp, Dept Cardiol, Geneva, Switzerland
[5] Univ Heart Ctr, Dept Cardiol, Zurich, Switzerland
[6] Lausanne Univ Hosp, Dept Cardiol, Lausanne, Switzerland
[7] Univ Genoa, Dept Internal Med, Genoa, Italy
[8] Univ Athens, Med Sch, Dept Clin Therapeut, Athens, Greece
[9] Univ Med Ctr Mannheim, Dept Cardiol Angiol Haemostaseol & Med Intens Care, Mannheim, Germany
[10] Cantonal Hosp St Gallen, Cardiol Dept, St Gallen, Switzerland
[11] AMIS Plus Data Ctr, UZH Epidemiol Biostat & Prevent Inst, Zurich, Switzerland
[12] Royal Brompton & Harefield Hosp, Harefield, Uxbridge, England
[13] Cantonal Hosp Baden, Dept Internal Med, Baden, Switzerland