1. From Department of Cardiovascular Medicine (E.K., Y.O., F.Z., K.K., K.N., T.Y., B.Y., T. Uemura, K.T., M.M., S.H., A.K., C.T.), Department of Clinical Laboratory (N.M.), Department of Cardiovascular Surgery (Y.I, T. Ueno, R.S.), Kagoshima University, Kagoshima, Japan; Massachusetts General Hospital (R.A.L.), Boston, Mass.