1. Department of Cardiology, Lausanne University Center Hospital, Lausanne, Switzerland
2. Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland
3. Department of Cardiology, Geneva University Hospitals, Geneva, Switzerland
4. Department of Cardiology, Kerckhoff Klinik, Bad Nauheim, Germany
5. Department of Cardiology, University Hospital of Zurich, Zurich, Switzerland
6. Center for Molecular Cardiology, University of Zurich, Zurich, Switzerland
7. Imperial College and Royal Brompton & Harefield Hospitals, London, UK
8. Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
9. Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
10. Institute of Primary Health Care (BIHAM), University of Bern, Bern, Switzerland
11. Division of Cardiology, Department of Advanced Biomedical Sciences, Federico II University, Via S. Pansini, 5, 80131 Naples, Italy