1. From the Interventional Cardiology Unit and Cardiothoracic Department, San Raffaele Scientific Institute (A. Chieffo, G.G., M.M., A.L., F.F., E.A., C.G., A.F., M.C., O.A., A. Colombo), Center for Cardiovascular Prevention (P.S., M.G.), Vita-Salute University (P.G.C.), San Raffaele Scientific Institute, Milan, Italy; and Department of Cardiology, Imperial College London, National Heart and Lung Institute, London, United Kingdom (V.F.P.).