1. Institut de Cardiologie, Centre Hospitalier GH Pitié-Salpêtrière; 47-83 Bld de l'Hôpital 75013 Paris Cedex 13 France
2. F. Hoffmann-La Roche; Basel Switzerland
3. Hospital de Santa Maria; Lisboa Portugal
4. Aarhus University Hospital; Aarhus Denmark
5. Hospital Le Molinette; Torino Italy
6. Frederiksberg Hospital; Frederiksberg Denmark
7. St. Antonius Hospital; Nieuwegein The Netherlands
8. University of Regensburg; Regensburg Germany
9. Karolinska Hospital; Stockholm Sweden
10. University Hospital Vall d'Hebron Barcelona; Spain
11. Sticares Foundation; Rhoon The Netherlands