1. Department of Cardiology and Nephrology, Mie University Graduate School of Medicine, Tsu, Japan (H.I., R.O., M. Ito, K.D.).
2. Department of Cardiology (H.I., T.S., A.K.), Ise Red Cross Hospital, Japan.
3. Department of Cardiovascular Surgery (M. Inagaki, T.T.), Ise Red Cross Hospital, Japan.