1. From the Division of Cardiovascular Disease (T.Y., H.T.M., H.D., V.J.P., G.N.K.), University of Alabama at Birmingham, Birmingham, Ala; the Division of Cardiology (T.O., Y.M.), Aichi Prefectural Cardiovascular and Respiratory Center, Ichinomiya, Japan; the Division of Cardiology (Y.Y.), Nagoya Dai-ni Red Cross Hospital, Cardiovascular Center, Nagoya, Japan; and the Department of Cardiology (N.Y., Y.I., T.M.), Nagoya University Graduate School of Medicine, Nagoya, Japan.