1. From the First Department of Internal Medicine (K.I., D.S., Y.M.) and Second Department of Anatomy (K.S.), Fukushima Medical University, Fukushima, Japan; Department of Microbiology and Molecular Pathology (H.I.), Faculty of Pharmaceutical Sciences, Teikyo University, Kanagawa, Japan; and Departments of Cardiology (A.J.L.) and Microbiology and Molecular Genetics (X.-p.W.), School of Medicine, University of California, Los Angeles, Calif.