1. Department of Cardiology and Cardiovascular Surgery, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
2. Department of Clinical Research, Clinical Trials Unit and Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
3. Department of Cardiology, Triemli Hospital Zurich, Zurich, Switzerland
4. Division of Cardiology and Cardiovascular Surgery, University Hospital Geneva, Geneva, Switzerland
5. Department of Cardiology, Basel University Hospital, University of Basel, Basel, Switzerland
6. Department of Cardiology, Cantonal Hospital Lucerne, Lucerne, Switzerland
7. Department of Cardiovascular Surgery, Cardiocentro Ticino, Lugano, Switzerland
8. Department of Cardiology and Department of Cardiovascular Surgery, University Heart Centre Zurich, University Hospital Zurich, Zurich, Switzerland
9. Department of Cardiology and Cardiovascular Surgery, Heart Clinic Hirslanden, Hirslanden Clinic Zurich, Zurich, Switzerland
10. Department of Cardiology, Lausanne University Hospital—CHUV, Lausanne, Switzerland