1. From the Departments of Internal Medicine and Cardiology (S.E., Y.K., M.Y., K.S., Y.S., D.F., Y.N., H. Yamashita, H. Yamagishi, K.T., J.Y.) and Pathology (M.U.), Osaka City University Graduate School of Medicine, Osaka, Japan; Department of Cardiology (T.N., K.H.), Osaka City General Hospital, Osaka, Japan; and Department of Cardiovascular Pathology (A.E.B.), Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.