1. Division of Cardiology, University Heart Centre Zurich, Switzerland
/ Division of Cardiology, GZO Regional Healthcare Centre Wetzikon, Switzerland
2. Hirslanden Klinik Aarau, Switzerland
3. Division of Cardiology, University Hospital Basel, University of Basel, Switzerland
4. Division of Cardiology, Kantonsspital Winterthur, Switzerland
5. Division of Cardiology, Kantonsspital St Gallen, Switzerland
6. Division of Cardiology, GZO Regional Healthcare Centre Wetzikon, Switzerland
7. Division of Cardiology, Triemli Hospital Zurich, Switzerland
8. Division of Cardiac Surgery, Triemli Hospital Zurich, Switzerland
9. Division of Cardiology, Luzerner Kantonsspital, Switzerland
10. Division of Cardiology, University Heart Centre Zurich, Switzerland / Division of Cardiology, Kantonsspital Aarau, Switzerland
11. Division of Cardiology, Kantonsspital Aarau, Switzerland
12. Division of Cardiology, Kantonsspital Graubünden, Switzerland
13. Service of Cardiology, University Hospital Lausanne, Switzerland
14. Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Switzerland
15. Division of Cardiology, University Hospital of Geneva, Switzerland
16. Division of Cardiology, University Heart Centre Zurich, Switzerland