1. Instituto de Cardiologia Dante Pazzanese; Sao Paulo Brazil
2. St. Vincent's Hospital; Fitzroy Victoria Australia
3. Thoraxcenter Erasmus University Medical Center; Rotterdam The Netherlands
4. Prince of Wales Public; Sydney Australia
5. Allgemeines Krankenhaus Linz; Linz Austria
6. Abbott Vascular; Diegem Belgium
7. Abbott Vascular; Santa Clara
8. Centro Cardiologico Monzino, IRCCS; University of Milan; Milan Italy