1. Department of Interventional Cardiology; San Raffaele Scientific Institute; Milan Italy
2. Department of Interventional Cardiology; EMO-GVM Centro Cuore Columbus; Milan Italy
3. Department of Interventional Cardiology; Imperial College; London United Kingdom
4. Department of Interventional Cardiology; University of Arkansas for Medical Sciences; Little Rock Arkansas
5. Department of Interventional Cardiology; VA North Texas Health Care System; Dallas Texas
6. Department of Interventional Cardiology; University of Texas Southwestern Medical Center; Dallas Texas
7. Department of Interventional Cardiology; Presbyterian Hospital/Columbia University Medical Center; New York
8. Department of Interventional Cardiology; Careggi Hospital; Florence Italy