From Cardiovascular Medicine (T.I., H. Tsutsui, S.H., N.S., M.T., A.T.), Graduate School of Medical Sciences, Kyushu University, Fukuoka; Discovery Research Laboratory (N.O.), Tanabe Seiyaku Co, Ltd, Toda; and the Department of Pediatrics (H. Tamai), Osaka Medical College, Takatsuki, Japan. (2002-03時点)