1. Department of Cardiology University Heart CenterUniversity Hospital Zurich Zurich Switzerland
2. Epidemiology, Biostatistics and Prevention Institute University of Zurich Zurich Switzerland
3. Cardiology Division Department of Biomedical, Metabolic and Neural Sciences University of Modena and Reggio EmiliaPoliclinico di Modena Modena Italy
4. Royal Brompton & Harefield HospitalImperial College London UK
5. Center for Molecular Cardiology University of Zurich Zurich Switzerland