From the Departments of Urology (H.N., T.K.) and Internal Medicine (Y.H., T.S., H.K., M.K., D.N., H.H., H.S., M.S., A.T., E.S., R.N.), Faculty of Medicine, The University of Tokyo; and the Research Institute (K.K., H.M.), National Center of Cardiovascular Medicine, Japan. (At 2002-04-05)