1. Division of Cardiology, Geneva University Hospitals, Switzerland (J.F.I., M.R., S.N.).
2. Institute of Social and Preventive Medicine and Clinical Trials Unit, Bern University Hospital, Switzerland (D.H.).
3. Department of Cardiology, Triemlispital, Zurich, Switzerland (D.T.).
4. Department of Cardiology, Lausanne University Hospital, Switzerland (O.M.).
5. Department of Cardiology, Kantonsspital Aarau, Switzerland (I.M.).
6. Department of Cardiology, University and Hospital Fribourg, Switzerland (S.C.).
7. Department of Cardiology, Kantonsspital St Gallen, Switzerland (D.W.).
8. Department of Cardiology, Basel University Hospital, Switzerland (C.K.).
9. Department of Cardiology, Kantonsspital Luzern, Switzerland (F.C.).
10. Department of Cardiology, Inselspital, University of Bern, Bern University Hospital, Switzerland (J.H., S.W., T.P.).
11. Applied Health Research Centre, Li Ka Shing Knowledge Institute of St Michael’s Hospital, Department of Medicine and Institute of Health Policy, Management and Evaluation, University of Toronto, Canada (P.J.).