1. Vanderbilt Heart and Vascular Institute Nashville Tennessee
2. Cardiology Department, I.R.C.C.S. MultiMedicaSesto San Giovanni Milano Italy
3. Hartford Healthcare Heart and Vascular InstituteHartford Hospital Hartford Connecticut
4. Medtronic plc Mounds View Minnesota
5. Cardiology Division, Department of Biomedical, Metabolic and Neural SciencesUniversity of Modena and Reggio Emilia, Modena University Hospital Modena Italy