1. From the Cardiovascular Research Foundation and Columbia University Medical Center (C.O., A.M., G.S.M., S.-Y.C., K.T., T.K., H.D., A.J.L., G.D., M.B.L., R.M., G.W.S., J.W.M.), New York, NY; Showa University Northern Yokohama Hospital (H.A., M.O.), Yokohama, Japan; Abbott Vascular (B.T.), Santa Clara, Calif; and Ajou University Hospital (S.J.T.), Suwon, Korea.