1. Department of Cardiac Surgery, Medical University of Vienna , Austria
2. Herzzentrum Trier, Krankenhaus der Barmherzigen Bruder , Trier, Germany
3. TechnoSTAT Ltd. , Raanana, Israel
4. Department of Cardiovascular Surgery, Mount Sinai Morningside , New York, USA
5. Department of Cardiac Surgery, University of Oxford, John Radcliffe Hospital , Oxford, UK
6. Department of Cardiovascular Medicine, University of Oxford, John Radcliffe Hospital , Oxford, UK
7. Department of Cardiothoracic Surgery, University Hospitals Bristol , UK
8. Department of Cardiothoracic Surgery, Immanuel Klinikum Bernau , Herzzentrum Brandenburg, Germany
9. Department of Cardiothoracic Surgery, Papworth Hospital , Cambridge, UK
10. Department of Cardiac Surgery, Medical University of Innsbruck , Austria
11. Department of Cardiothoracic Surgery, Rambam Medical Center , Israel
12. Department of Cardiothoracic Surgery, German Heart Centre Berlin , Germany
13. Department of Cardiothoracic Surgery, West-German Heart and Vascular Center Essen, University Hospital Essen , Germany
14. Kerkhoff-Klinik Bad Nauheim, Campus Kerkhoff, Justus-Liebig-University Gießen , Bad Nauheim, Germany
15. Department of Cardiothoracic Surgery, University Hospital Southampton , UK
16. Department of Cardiothoracic Surgery, Sheba Medical Center , Israel