1. Piedmont Heart Institute Atlanta Georgia USA
2. Columbia University Irving Medical Center/New York‐Presbyterian Hospital New York New York USA
3. The Cardiovascular Research Foundation New York New York USA
4. The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai New York New York USA
5. Scripps Clinic La Jolla California USA
6. University Hospitals Cleveland Ohio USA
7. Montefiore Medical Center New York New York USA
8. Université Libre de Brussels Brussels Belgium
9. INCOR – Univeristy of Sao Paulo São Paulo Brazil
10. GenesisCare Alexandria New South Wales Australia
11. Freeman Hospital and Newcastle University Newcastle upon Tyne UK
12. Stredoslovenský ústav srdcových a cievnych chorôb Banská Bystrica Slovakia
13. Baylor Heart and Vascular Hospital Dallas Texas USA
14. Huntsville Hospital Huntsville Alabama USA
15. Bundaberg Cardiology‐Friendly Society Private Hospital Bundaberg Queensland Australia
16. Queen Mary Hospital High West Hong Kong
17. The Alfred Hospital Melbourne Australia
18. South Shore Hospital Bay Shore New York USA
19. Kokura Memorial Hospital Kitakyushu Fukuoka Japan
20. Medtronic Santa Rosa California USA
21. University Hospital, Inselspital University of Bern Bern Switzerland