1. The Heartcenter; Academic Medical Center - University of Amsterdam; Amsterdam The Netherlands
2. Cardialysis B.V, Rotterdam; Rotterdam The Netherlands
3. Thoraxcenter; Erasmus Medical Center; Rotterdam The Netherlands
4. Paul Stradins Clinical University Hospital; Riga Latvia
5. Karol Marcinkowski University of Medical Sciences; Poznan Poland
6. Universitair Ziekenhuis Leuven; Leuven Belgium
7. Department of Cardiology; ZOL Ziekenhuis Oost-Limburg; Genk Belgium
8. University Medical Center Utrecht; Utrecht The Netherlands
9. Tryton Medical; Newton Massachusetts
10. Columbia University Medical Center/NewYork Presbyterian Hospital; New York New York
11. Hôpital du Sacré-Coeur de Montréal; Montréal Québec Canada
12. Dartmouth Medical School/Dartmouth-Hitchcock Medical Center; NH Lebanon
13. Cardiovascular Research Foundation; New York New York
14. International Centre for Circulatory Health, NHLI; Imperial College London; London United Kingdom