1. S. Camillo Hospital; Rome Italy
2. Centro Cardiologico Monzino; Milan Italy
3. Humanitas Mater Domini; Castellanza Italy
4. Fondazione Policlinico S. Matteo; IRCCS; Pavia Italy
5. Policlinico Gemelli; Rome Italy
6. S. Raffaele Hospital; Milan Italy
7. Ospedale Civile, Mirano, Italy and University of Padua
8. S. Maria della Misericordia; Udine Italy
9. S. Ambrogio; Milan Italy