1. Department of Cardiology; Bern University Hospital; Bern Switzerland
2. PRISM Scientific Sàrl; Switzerland
3. Department of Cardiology; Geneva University Hospital; Geneva Switzerland
4. Cardiocentro; Lugano Switzerland
5. Department of Cardiology and Cardiovascular Research Institute Basel; University Hospital Basel; Basel Switzerland
6. Department of Cardiology; Fribourg Hospital and University; Fribourg Switzerland
7. Service of Cardiology; Lausanne University Hospital; Lausanne Switzerland
8. Department of Cardiology, University Heart Center; University Hospital Zurich; Zurich Switzerland
9. CTU Bern; University of Bern; Bern Switzerland