From the San Raffaele University Hospital, Milan, Italy (C.P., V.S., H.O., G.V., C.C.L., F.M., L.T., S.B., O.A.); Queen’s Medical Center, Honolulu, Hawaii (R.H., W.L., K.H., N.S.); and Division of Cardiology, Department of Medicine, University of Michigan Health System, Ann Arbor (H.O., B.H., F.M.). (At 2004-06-08)